ISW Isolwool® Trail Cuff Featured we’re the experts and know

we’re the experts and know that our socks can help you reach your goals

Want an extra layer of protection from distraction

The seamless toe these socks are designed with prevents irritation on those particularly long runs

your shoes can only do so much

ISW Isolwool® Trail Cuff Featured we’re the experts and knowReinforced Trail Cuff? 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