Venture into the chill with the Outdoor Research Trail Mix Cap. This winter cap is designed to keep you comfortable during a range of outdoor activities whether you're bounding down the trail for a morning run, walking to the coffee shop, or battling wind gusts on your way to work, this accessory's thermo-regulating ActiveTemp technology helps manage your body temperature as you move. Made from breathable, quick-drying materials with UPF sun protection, it shields you from the rays while offering lasting comfort.