ALL-SEASON COMFORT: Alpaca Socks offer comfort, softness, Perfect for everyday wear, these socks are a favorite basic. They have a reinforced heel & toe for extra durability & are built to last. A full sole cushioned foot bottom provides all-day comfort, a superior all-day fit. Wicking Cool Comfort socks help keep feet cool & dry. MADE in THE USA: Alpaca cushioned interior adds softness all around your feet Alpaca terry lining inside is made in the USA. Important material uses 50% Alpaca, 33% Micro Fiber, 11% Nylon, & 6% Lycra. Lightweight with spandex for a perfect fit. LINING DESIGNS: Winter Alpaca Blend outdoor crew length socks men’s & women’s socks are made with ultra-soft yarn so you stay comfortable. These socks have a durable soft material that is perfect for everyday wearing, or moderate athletic activity. COMFORTABLE BLEND SOCKS: Heel/Toe Design & air-circulating ventilation blend keep feet comfortable & dry. Prevents the growth of odor-causing in the sock. Good for your health. The feet will stay cool & dry with a soft cushion feel on the sole of the sock. SIZE CHART: It is based on shoe size: Small: women 4-6.5, Medium: women 7-10, men 6-9 Large: women 10.5+, men 9.5-12 XL: men 12. These socks are constructed with soft material throughout to provide a streamlined performance fit. Alpaca Socks - Winter Blend Outdoor Crew Length Breathable Super Comfort Fashionable & Attractive Sock For Men & Women