Sea to Summit Reactor Extreme Sleeping Bag Liner Size:Standard a responsibly sourced peppermint-based antimicrobial

a responsibly sourced peppermint-based antimicrobial that fights the growth of odor causing bacteria

AirEvac ventilation system integrates with Smith helmets for fog-free lenses

Integrated thumb holes keep sleeves in place for back-of-hand solar protection

8 base lens curvature

Weight Reargrip

Sea to Summit Reactor Extreme Sleeping Bag Liner Size:Standard a responsibly sourced peppermint-based antimicrobialThe Reactor Extreme Liner with a mummy shape and Thermolite Pro fabric offers superior warmth, versatility, and increased insulation thanks to its new infrared technology and comfortable stretch fabric. The drawcord helps retain heat for cold conditions while the permanent ceramic pigments in the fabric reflect the body's infrared rays back to the wearer. The liner is also eco friendly, made from 100% recycled Thermolite EcoMade fibers that have a