Reactor Lightweight Liner

Overview

The Reactor Lightweight Liner enhances sleep system performance with advanced Thermolite® Pro fabric, which uses infrared-absorbing ceramic pigments and hollow-core fibers to trap body heat. This innovative technology reflects warmth back to your body while maintaining breathability, making it an ideal companion for three-season camping and backpacking. Weighs just ounces, packs down small, and adds significant warmth without bulk. Perfect for extending the comfort range of your sleeping bag or using solo in mild conditions.

Features

• Lightweight and insulative, Thermolite® Pro technology with hollow-core fibers 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 odor 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 fibers and bluesign APPROVED materials to minimize environmental impact

Specifications

• Material(s): 100% Post-Consumer Recycled Polyester; Stuff Sack: 100% Polyester
• Weight: 8.3oz | 235g
• Length: 70.1in | 178cm
• Packed Size: 3.9 x 7.1 x 3.9in | 18 x 10 x 10 cm