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Ships within 48 hours · Estimated delivery Sep 24 - Sep 29
the F4 utilizes to provide compressed venting and moisture wicking in the most extreme conditions
Do not use bleach or fabric softener
and the moisture-wicking technologies within the fabrics keep your feet dry and cool
That means you don’t have to worry about being distracted by sliding fabric OR sweaty feet
ISW Isolwool® Heather Crew Hyper the F4 utilizes to provideReinforced Crew? Check. The new ISW is a power packed running sock built for the trail and beyond. Constructed with Isolwool, the ISW utilizes merino wool and polypropylene to deliver superior moisture movement. A light cushion prevents blistering and enables prolonged performance in the harshest conditions. Wool naturally fights bacteria allowing the sock to remain clean and fresh. The ISW is designed to perform in hot or cold environments and to
