Sea to Summit Reactor Sleeping Bag Liner - Compact Mummy w/ Drawcord
Sea to Summit Reactor Sleeping Bag Liner - Compact Mummy w/ Drawcord
Experience the ultimate in camping comfort with the Sea to Summit Reactor Sleeping Bag Liner - Compact Mummy w/ Drawcord. This liner is designed to add warmth to your sleep system in cool or cold conditions, making it an essential addition to your camping gear. The Reactor liner uses Thermolite® Pro fabric with infra red-absorbing ceramic pigments and Thermolite® EcoMade fibres to take thermal performance to the next level. It's not just about warmth though, the stretch-knit fabric provides optimal comfort and ensures the Reactor fits any sleeping bag. The classic Mummy version even has practical shoulder openings for those who like to stretch out. The Mummy with Drawcord version offers the versatility of walking around camp while still wearing your liner, thanks to its footbox opening. Plus, with HeiQ Fresh odour control technology, your liner will stay fresh even after extended use. And for peace of mind, the Sea to Summit Guarantee is offered for the lifetime of this product.
Sea to Summit Reactor Sleeping Bag Liner - Compact Mummy w/ Drawcord Features:
- Thermal Boost: The Reactor liner provides a thermal boost to retain heat and warmth, extending the performance of your sleeping bag in colder conditions.
- Thermolite® Pro Technology: The liner uses knitted, hollow-core fibres and infrared-absorbing ceramic pigments to reflect your body's heat back for enhanced warmth and comfort.
- Classic Mummy Version: This version has practical openings in the shoulders to allow the user to stretch his or her arms out.
- Drawcord Footbox Version: In this version, the base or shoulder openings can be opened or closed for optimal comfort. They integrate perfectly with the Free-Flow Zip system in select Sea to Summit sleeping bags. Open the base drawcord, and you can hitch the liner up and walk around camp - perfect for bathroom breaks.
- HeiQ Fresh Odour Control Technology: This technology helps keep the liner fresh even after extended use.
- Knitted Fabric: The fabric provides incredible stretch and freedom of movement - Reactor liners work perfectly with sleeping bags of any shape.
- Sea to Summit Guarantee: A guarantee is offered for the lifetime of this product.
Check These Products OUT
Sea to Summit Spark -1C/30F Down Sleeping Bag - Regular
$649.99
The Sea to Summit Spark -1C/30F Down Sleeping Bag - Regular invites adventurers to experience unparalleled comfort and warmth on their journeys. This meticulously crafted sleeping bag features RDS-certified, 850+ fillpower goose down, treated with a non-PFC Ultra-Dry Down to ensure optimal insulation even in damp conditions. Its ultralight design makes it a breeze to carry, while the breathable 10D nylon liner and shell, both treated with PFC-free DWR, guarantee a cosy and dry night's sleep. The technical hood, anatomical footbox, and ergonomic mummy shape provide tailored comfort, ensuring a restful sleep, while the reliable YKK #5 zippers offer durability and ease of use, making it a perfect companion for any adventure.
Sea to Summit Spark -1C/30F Down Sleeping Bag - Regular Features:
- RDS-certified, 850+ fillpower goose down with a non-PFC Ultra-Dry Down treatment: Delivers superior warmth-to-weight ratio and maintains insulation in damp conditions.
- Ultralight: Ideal for backpacking and minimalist adventures, ensuring minimal weight without compromising on comfort.
- Breathable 10D nylon liner and a 10D shell with PFC-free DWR: Provides excellent ventilation and water resistance, keeping you dry and comfortable.
- Technical hood, anatomical footbox and an ergonomic mummy shape: Designed to enhance fit and comfort, offering a snug and natural sleeping position.
- YKK #5 zippers: Robust and smooth-operating zippers ensure easy access and long-lasting performance.
The Sea to Summit Spark -1C/30F Down Sleeping Bag - Regular invites adventurers to experience unparalleled comfort and warmth on their journeys. This meticulously crafted sleeping bag features RDS-certified, 850+ fillpower goose down, treated with a non-PFC Ultra-Dry Down to ensure optimal insulation even in damp conditions. Its ultralight design makes it a breeze to carry, while the breathable 10D nylon liner and shell, both treated with PFC-free DWR, guarantee a cosy and dry night's sleep. The technical hood, anatomical footbox, and ergonomic mummy shape provide tailored comfort, ensuring a restful sleep, while the reliable YKK #5 zippers offer durability and ease of use, making it a perfect companion for any adventure.
Sea to Summit Spark -1C/30F Down Sleeping Bag - Regular Features:
- RDS-certified, 850+ fillpower goose down with a non-PFC Ultra-Dry Down treatment: Delivers superior warmth-to-weight ratio and maintains insulation in damp conditions.
- Ultralight: Ideal for backpacking and minimalist adventures, ensuring minimal weight without compromising on comfort.
- Breathable 10D nylon liner and a 10D shell with PFC-free DWR: Provides excellent ventilation and water resistance, keeping you dry and comfortable.
- Technical hood, anatomical footbox and an ergonomic mummy shape: Designed to enhance fit and comfort, offering a snug and natural sleeping position.
- YKK #5 zippers: Robust and smooth-operating zippers ensure easy access and long-lasting performance.
Sea to Summit Circuit Down Sleeping Bag -1C|30F - Regular
$449.99
The Sea to Summit Circuit Down Sleeping Bag -1°C | 30°F – Regular delivers lightweight 2-season performance with added room for natural sleeping positions. Designed for backpacking, camping and travel, its semi-tapered rectangular cut offers more space than a traditional mummy bag while maintaining thermal efficiency. Filled with 650+ fillpower Ultra-Dry Duck Down and constructed with hybrid box-baffle technology, it provides consistent warmth without cold spots. The full wraparound zipper allows maximum ventilation and even converts the bag into a flat quilt when required.
Sea to Summit Circuit Down Sleeping Bag -1°C | 30°F – Regular Key Features:
- ISO-tested warmth: Rated to -1°C lower limit for reliable cool-weather comfort.
- Comfort-focused design: Wider semi-tapered shape enhances freedom of movement.
- Premium insulation: 650+ fillpower RDS-certified Ultra-Dry Down ensures warmth and compressibility.
- Hybrid box-baffle build: Maintains even insulation distribution.
- Full ventilation control: Wraparound zip enables precise airflow or full quilt mode.
- Draft collar and tubes: Minimises heat loss in cooler conditions.
- 20D lightweight fabrics: Soft-touch materials offer next-to-skin comfort.
- YKK anti-snag zipper: Smooth, reliable operation.
- Sustainable construction: Bluesign APPROVED recycled materials, non-PFAS treated.
Specifications – Regular
- Best Use: Backpacking, Camping, Travel
- Performance: 2 Season
- ISO Lower Limit: -1°C
- Weight: 820g
- Compression Sack: 13L
- Fits Up To Height: 185 cm
A balanced, lightweight sleeping bag offering packable insulation and adaptable ventilation for a wide range of 2-season adventures.
The Sea to Summit Circuit Down Sleeping Bag -1°C | 30°F – Regular delivers lightweight 2-season performance with added room for natural sleeping positions. Designed for backpacking, camping and travel, its semi-tapered rectangular cut offers more space than a traditional mummy bag while maintaining thermal efficiency. Filled with 650+ fillpower Ultra-Dry Duck Down and constructed with hybrid box-baffle technology, it provides consistent warmth without cold spots. The full wraparound zipper allows maximum ventilation and even converts the bag into a flat quilt when required.
Sea to Summit Circuit Down Sleeping Bag -1°C | 30°F – Regular Key Features:
- ISO-tested warmth: Rated to -1°C lower limit for reliable cool-weather comfort.
- Comfort-focused design: Wider semi-tapered shape enhances freedom of movement.
- Premium insulation: 650+ fillpower RDS-certified Ultra-Dry Down ensures warmth and compressibility.
- Hybrid box-baffle build: Maintains even insulation distribution.
- Full ventilation control: Wraparound zip enables precise airflow or full quilt mode.
- Draft collar and tubes: Minimises heat loss in cooler conditions.
- 20D lightweight fabrics: Soft-touch materials offer next-to-skin comfort.
- YKK anti-snag zipper: Smooth, reliable operation.
- Sustainable construction: Bluesign APPROVED recycled materials, non-PFAS treated.
Specifications – Regular
- Best Use: Backpacking, Camping, Travel
- Performance: 2 Season
- ISO Lower Limit: -1°C
- Weight: 820g
- Compression Sack: 13L
- Fits Up To Height: 185 cm
A balanced, lightweight sleeping bag offering packable insulation and adaptable ventilation for a wide range of 2-season adventures.
Sea to Summit Hamelin Synthetic Sleeping Bag -1C|30F - RCS
$299.99
The Sea to Summit Hamelin Synthetic Sleeping Bag -1°C | 30°F – RCS – Regular is a performance-oriented synthetic sleeping bag built for trekking, backpacking and damp-weather adventures. Designed with a relaxed Contour shape, it provides room to move comfortably, making it ideal for side sleepers without creating cold spots. Layers of Revive Loft synthetic insulation are strategically placed to maximise warmth retention, while recycled bluesign APPROVED fabrics ensure durability with reduced environmental impact. Featuring the versatile Free-Flow zip system, the Hamelin adapts easily to changing conditions by allowing full ventilation or opening flat as a quilt.
Sea to Summit Hamelin Synthetic Sleeping Bag -1°C | 30°F – Regular Key Features:
- Reliable 2-season warmth: ISO tested lower limit rating of -1°C for dependable cool-weather performance.
- Damp-condition ready: Synthetic Revive Loft insulation maintains warmth even in wet environments.
- Contour shape: Relaxed mummy design offers space for side sleeping while retaining thermal efficiency.
- Free-Flow zip system: Full-length side zip with double sliders extends through the footbox, plus secondary side zip for ventilation and arms-free functionality.
- Draft protection: Technical hood, draught collar and draught tubes reduce heat loss on cooler nights.
- Snag-free operation: YKK #5 zipper with zip plough ensures smooth and reliable use.
- Packable synthetic build: Compresses to 8.4L packed volume for manageable storage.
- Responsible materials: 100% RCS-certified recycled insulation and bluesign APPROVED fabrics with non-PFAS DWR.
- 1% for the Planet product: Supports biodiversity conservation initiatives.
Specifications – -1°C Regular
- Best Use: Light Trekking, Backpacking (especially wet conditions), Paddle Touring, Car Camping
- Performance: 2 Season
- ISO Lower Limit: -1°C (30°F)
- Women's ISO Comfort: 3°C
- Weight: 1124g
- Compressed Volume: 8.4L
- Compression Sack: 20L included
- Fits Up To Height: 185 cm
- Insulation: RCS-certified recycled multi-denier synthetic (Revive Loft)
- Shell: 20D recycled polyester with non-PFAS DWR
- Liner: 20D recycled polyester
Built for reliability when conditions turn damp, the Hamelin -1°C Regular offers adaptable ventilation, recycled construction and dependable synthetic warmth for a wide range of backcountry adventures.
The Sea to Summit Hamelin Synthetic Sleeping Bag -1°C | 30°F – RCS – Regular is a performance-oriented synthetic sleeping bag built for trekking, backpacking and damp-weather adventures. Designed with a relaxed Contour shape, it provides room to move comfortably, making it ideal for side sleepers without creating cold spots. Layers of Revive Loft synthetic insulation are strategically placed to maximise warmth retention, while recycled bluesign APPROVED fabrics ensure durability with reduced environmental impact. Featuring the versatile Free-Flow zip system, the Hamelin adapts easily to changing conditions by allowing full ventilation or opening flat as a quilt.
Sea to Summit Hamelin Synthetic Sleeping Bag -1°C | 30°F – Regular Key Features:
- Reliable 2-season warmth: ISO tested lower limit rating of -1°C for dependable cool-weather performance.
- Damp-condition ready: Synthetic Revive Loft insulation maintains warmth even in wet environments.
- Contour shape: Relaxed mummy design offers space for side sleeping while retaining thermal efficiency.
- Free-Flow zip system: Full-length side zip with double sliders extends through the footbox, plus secondary side zip for ventilation and arms-free functionality.
- Draft protection: Technical hood, draught collar and draught tubes reduce heat loss on cooler nights.
- Snag-free operation: YKK #5 zipper with zip plough ensures smooth and reliable use.
- Packable synthetic build: Compresses to 8.4L packed volume for manageable storage.
- Responsible materials: 100% RCS-certified recycled insulation and bluesign APPROVED fabrics with non-PFAS DWR.
- 1% for the Planet product: Supports biodiversity conservation initiatives.
Specifications – -1°C Regular
- Best Use: Light Trekking, Backpacking (especially wet conditions), Paddle Touring, Car Camping
- Performance: 2 Season
- ISO Lower Limit: -1°C (30°F)
- Women's ISO Comfort: 3°C
- Weight: 1124g
- Compressed Volume: 8.4L
- Compression Sack: 20L included
- Fits Up To Height: 185 cm
- Insulation: RCS-certified recycled multi-denier synthetic (Revive Loft)
- Shell: 20D recycled polyester with non-PFAS DWR
- Liner: 20D recycled polyester
Built for reliability when conditions turn damp, the Hamelin -1°C Regular offers adaptable ventilation, recycled construction and dependable synthetic warmth for a wide range of backcountry adventures.
Sea to Summit Lightweight Compression Sack
$49.99
The Sea to Summit Lightweight Compression Sack – 20L – Surf Blue provides generous storage capacity with efficient compression for larger soft gear. Designed for backpacking and pack organisation, it is constructed from durable recycled 70D nylon with a 2,000mm PU coating and PFC-free DWR finish. While water resistant for internal pack use, it is not fully waterproof due to non-sealed seams. The four-strap compression system ensures even pressure and eliminates bulging for tidy, compact storage.
Sea to Summit Lightweight Compression Sack – 20L – Surf Blue Key Features:
- Large-capacity compression: Ideal for sleeping bags, insulated jackets or bulkier clothing.
- Four-strap system: Even compression prevents uneven bulging.
- Durable recycled nylon: 70D fabric with 2,000mm PU coating.
- Flip-top lid design: Reduces strap tangling during packing.
- White interior coating: Improves visibility inside the sack.
- Reinforced grab handle: Strong webbing handle for easy removal from packs.
Specifications – 20L
- Best Use: Pack Organisation
- Capacity: 20 Litres
- Weight: 134g
- Dimensions: 24 x 24 x 47.5 cm
- Closure: Drawstring with compression straps
- Waterproof? Water resistant only – seams not tape sealed
Designed for larger loads, the 20L Surf Blue Compression Sack keeps bulky gear compact and organised without adding unnecessary weight.
The Sea to Summit Lightweight Compression Sack – 20L – Surf Blue provides generous storage capacity with efficient compression for larger soft gear. Designed for backpacking and pack organisation, it is constructed from durable recycled 70D nylon with a 2,000mm PU coating and PFC-free DWR finish. While water resistant for internal pack use, it is not fully waterproof due to non-sealed seams. The four-strap compression system ensures even pressure and eliminates bulging for tidy, compact storage.
Sea to Summit Lightweight Compression Sack – 20L – Surf Blue Key Features:
- Large-capacity compression: Ideal for sleeping bags, insulated jackets or bulkier clothing.
- Four-strap system: Even compression prevents uneven bulging.
- Durable recycled nylon: 70D fabric with 2,000mm PU coating.
- Flip-top lid design: Reduces strap tangling during packing.
- White interior coating: Improves visibility inside the sack.
- Reinforced grab handle: Strong webbing handle for easy removal from packs.
Specifications – 20L
- Best Use: Pack Organisation
- Capacity: 20 Litres
- Weight: 134g
- Dimensions: 24 x 24 x 47.5 cm
- Closure: Drawstring with compression straps
- Waterproof? Water resistant only – seams not tape sealed
Designed for larger loads, the 20L Surf Blue Compression Sack keeps bulky gear compact and organised without adding unnecessary weight.
Sea to Summit Evac Compression Dry Bag UL
$77.99
The Sea to Summit Evac Compression Dry Bag UL – 20L provides high-capacity waterproof compression storage for extended backpacking and paddle sports adventures. Built from bluesign APPROVED Ultra-Sil 30D Cordura® nylon with a non-PFAS DWR finish, it protects gear from rain and spray while allowing trapped air to escape through the EVAC fabric base. The reinforced roll-top closure and four-strap compression system enable even, secure packing of larger soft items.
Sea to Summit Evac Compression Dry Bag UL – 20L Key Features:
- Large capacity storage: 20 litres for sleeping bags, insulated jackets or bulkier gear.
- EVAC air-permeable base: Allows compression without purge valves.
- Reliable waterproofing: Roll-top closure with patented Field Repair Buckle.
- Even four-strap compression: Prevents bulging and maximises space efficiency.
- Ultralight yet durable: Ultra-Sil 30D Cordura® nylon construction.
- Sealed seams: Double-stitched and tape-sealed for dependable protection.
Specifications – 20L
- Best Use: Backpacking & Paddle Sports
- Capacity: 20 Litres
- Weight: 110g
- Dimensions: 24.2 x 24.2 x 47.6 cm
- Closure: Hypalon roll-top with compression straps
Offering maximum compression and generous capacity, the 20L Evac Dry Bag is ideal for protecting and compacting larger gear inside your pack.
The Sea to Summit Evac Compression Dry Bag UL – 20L provides high-capacity waterproof compression storage for extended backpacking and paddle sports adventures. Built from bluesign APPROVED Ultra-Sil 30D Cordura® nylon with a non-PFAS DWR finish, it protects gear from rain and spray while allowing trapped air to escape through the EVAC fabric base. The reinforced roll-top closure and four-strap compression system enable even, secure packing of larger soft items.
Sea to Summit Evac Compression Dry Bag UL – 20L Key Features:
- Large capacity storage: 20 litres for sleeping bags, insulated jackets or bulkier gear.
- EVAC air-permeable base: Allows compression without purge valves.
- Reliable waterproofing: Roll-top closure with patented Field Repair Buckle.
- Even four-strap compression: Prevents bulging and maximises space efficiency.
- Ultralight yet durable: Ultra-Sil 30D Cordura® nylon construction.
- Sealed seams: Double-stitched and tape-sealed for dependable protection.
Specifications – 20L
- Best Use: Backpacking & Paddle Sports
- Capacity: 20 Litres
- Weight: 110g
- Dimensions: 24.2 x 24.2 x 47.6 cm
- Closure: Hypalon roll-top with compression straps
Offering maximum compression and generous capacity, the 20L Evac Dry Bag is ideal for protecting and compacting larger gear inside your pack.
GUNS AND AMMO CAN NOT BE SHIPPED, PLEASE VISIT ONE OF OUR STORES TO PURCHASE.
Shipping Rates & Options
We offer straightforward flat rate shipping options:
- Standard Shipping - $14.99: Generally delivered within 2 - 4 days of dispatch to metropolitan areas. Please allow an extra 1 - 2 days for us to pick and pack your order. You will be given tracking details to monitor your order's journey.
- Jump The Queue Shipping - $19.99: For those in a hurry, orders placed before 2 pm AEST will be packed and dispatched on the same day. If placed after 2 pm AEST, they'll be dispatched the next business day. Tracking details will be provided for your convenience. Please note that this is not express shipping, for express shipping quotes please contact our team at 07 3391 2299.
Additional Shipping Charges
- Bulky Items Surcharge - $39.99: Certain items due to their size and nature require an additional fee for shipping. Bulky items include, but are not limited to, Firearms, Compound Bows, and Spearguns.
- Extra Bulky Item Surcharge - $89.99:Certain items due to their size and nature require an additional fee for shipping. Extra Bulky items include, but are not limited to, Firearm Safes, Treestands and Feeders.
- Shipping Insurance - $4.99: For added peace of mind, avail of our Australia-wide shipping insurance to safeguard your order during transit.
Shipping Specifics
Please note:
- Prices mentioned apply mainly to mainland Australia. Offshore islands and territories might face extra delivery costs. In such instances, our customer service will reach out to you.
- For larger or bulkier orders which necessitate road transport, delivery times might extend.




