Sea to Summit Reactor Lightweight Liner - Regular Grey RCS Features_Extreme Cold The large contact surface area

The large contact surface area of the Micro Wallnuts allows them to spread loads over a greater area of rock

these gaiters are built to stand up to harsh mountain conditions

feet with no taper to accommodate a modern rectangular sleeping pad

So this season

Let your feet move naturally through the mountains with Altra's roomy Original FootShape™ Fit

Sea to Summit Reactor Lightweight Liner - Regular Grey RCS Features_Extreme Cold The large contact surface areaOptimised for minimal weight and maximum warmth, the Reactor Lightweight 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 4C 7F of warmth with minimal bulk, its ideal for ultralight expeditions. Stretch knit fabric and articulated arm openings ensure unrestricted mobility. Treated with HeiQ Fresh odour control, its quick drying,