Reactor Lightweight Liner Tshirt EXOspikes™ combine more than two

EXOspikes™ combine more than two decades of winter traction technology and experience

On the climb

so you can find the self-adhesive skin best suited to your needs

Each year we hear from countless thru-hikers that this rugged sock is the only option that truly takes on the rigors of the trail

form-fitting Merino Wool all around

Reactor Lightweight Liner Tshirt EXOspikes™ combine more than twoOptimized 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 fibers 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 odor control, its quick drying,