Whether Alpine, Backcountry, Cross Country Skiing, Extreme, Freestyle, Heliskiing, Ski Jumping, Snowboarding, or Ski & Snow, merino wool is for all seasons. Keeps feet warm in winter and cool in summer. Naturally antimicrobial. EXPELIT microfiber combined with merino wool, stay dry, wicks moisture away from your feet. Knit for fit. For a lasting snug and comfortable arch support. Made in the U.S.A. For over three decades the Cabot family has been knitting socks in New England. They share the same high standards you have for your sport. They insist on only knitting with superior yarns. Always have - always will. Enjoythe outdoors!