Reactor Lightweight Liner running trakFIT™ adjustment for easy leg

trakFIT™ adjustment for easy leg loop customization

stability and energy return making it the ultimate choice for trail runners demanding the best

DYNAFIT Winter Bootie – Àpres-ski (tour) for your feet

Designed to support Leave No Trace Seven Principles

Reactor Lightweight Liner running trakFIT™ adjustment for easy legOptimized 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,