Sea to Summit Reactor Extreme Sleeping Bag Liner Brand_Wilderness Equipment Leather shoe designed for technical

Leather shoe designed for technical approach routes and via ferrata

Astro is updated in 2019 with the Laylow™ zero-profile

windy weather

Reference: P21 SPE

and the comfy upper is made from recycled plastic bottles as in the original model

Sea to Summit Reactor Extreme Sleeping Bag Liner Brand_Wilderness Equipment Leather shoe designed for technicalAs an essential component in your sleep system, the Reactor Extreme liner with Thermolite Pro fabric using innovative infra red absorbing ceramic pigments to give your system the thermal boost needed in colder weather adventures. The soft, wicking stretch knit fabric provides unmatched comfort and freedom of movement while still allowing the Reactor Extreme liner to fit any sleeping bag. Additionally, the drawcord footbox offers plenty of ventilation