Sea To Summit Reactor Lightweight Sleeping Bag Liner (Regular Size) - Grey

Optimised for minimal weight and maximum warmth, the Reactor Lightweight Liner  enhances sleep system performance with advanced Thermolite® Pro fabric, which uses infrared-absorbing ceramic pigments and hollow-core fibres to trap body heat. Adding up to 4°C of warmth with minimal bulk, it’s ideal for ultralight expeditions. Stretch-knit fabric and articulated arm openings ensure unrestricted mobility. Treated with HeiQ Fresh odour control, it’s quick-drying, machine washable, and helps prolong your sleeping bag’s lifespan by reducing wash frequency.

Features:

• Best Use: Backpacking, Cycle touring, Paddle touring

• Lightweight and insulative, Thermolite® Pro technology with hollow-core fibres and infrared-absorbing pigments enhances warmth with minimal pack size

• Freedom to Move – Stretch-knit and shaped arm openings allow unrestricted movement, providing natural comfort throughout your sleep

• Technical Shape and Hood – Ergonomic design with a fitted hood delivers optimal warmth and comfort without extra weight or bulk

• Fits any sleeping bag - Stretch fabric means the Reactor Liner fits any shape of sleeping bag

• Stay Fresh Longer – HeiQ Fresh odour control technology keeps the liner fresh after extended use

• Sleep System Integration – Snap connectors at the shoulders easily pair with Sea to Summit sleeping bags for quick, hassle-free entry and exit

• Easy to Keep Clean – Machine washable construction simplifies care and reduces wear on your sleeping bag over time

• Lower Impact Materials – Crafted with certified recycled fibres and bluesign APPROVED materials to minimise environmental impact

• Comes with handy storage sack

Product Details:

Series: Sea to Summit : Reactor Sleep Liner
Manufacturer Colour: Grey
Primary Material: 100% Post-Consumer Recycled Polyester
Weight: 0.255 kg
Length: 193 cm
Width: 80 cm
Fits up to Height: 185 cm
Packed Dimensions: 10 x 18 x 10 cm
Size: Regular