Sea to Summit Reactor Lightweight sleeping bag liner light grey black

The Sea to Summit Reactor Lightweight sleeping bag liner is designed to enhance thermal comfort during outdoor activities in cold weather. Intended for use alongside sleeping bags, it provides additional warmth without taking up space or adding unnecessary bulk.This liner is made from an elastic fabric that combines Thermolite Pro and EcoMade fibres, incorporating Far Infrared (FIR) technology to efficiently retain body heat. Weighing only 235 grams for users up to 185 cm tall, it increases sleeping temperature by up to 4 °C, offering valuable extra insulation for cold conditions.It also features side openings to allow arm movement without heat loss, HeiQ Fresh technology to control odours for several days, and a quick-drying fabric for easy maintenance. Its mummy-style design and attachment system compatible with Sea to Summit sleeping bags ensure a perfect fit without slipping, extending the lifespan of the main sleeping bag.