Sometimes even the hottest days call for a full cushioned, workhorse of a sock. That's when this burly trail legend shines. Trail proven, thru-hiker approved.FeaturesA performance fit means no slipping, no bunching, no blisters for peak hiking comfort.True Seamless Toe technology for an ultra smooth, undetectable feel.Reinforced footbed and Achilles cushion improves the comfort of our socks and helps them last longer.Synthetic Coolmax yarns are vegan and help feet beat the heat and stay dry while hiking.Midweight Coolmax socks actively move moisture to keep feet in their comfort zone on the trail. Vegan friendly.The "still" in Still Made in Vermont, USA is personal.Unconditionally Guaranteed for Life - if these aren't the longest lasting socks you've ever owned, return them for another pair.39% Coolmax Polyester, 30% Nylon, 28% Acrylic, 3% Lycra Spandex