If you're looking for the perfect layer to keep your feet comfy in your boots, then the Spyder Sweep Sock might just be the high-performance sock you need. There is a light cushion at the shin to prevent shin bang and the compression and the ankle and arch enhance the performance and help you avoid fatigued feet on those long days on the mountain. The Sweep socks are constructed with a reinforced heel and toe for durability so they will remain a staple in your ski sock line up for seasons to come. From the first to last chair you will be able to breathe and remain protected. 68% Acrylic Pillex 31% Nylon 1% Elastane - Offers a soft stretch with wicking properties to provide ultimate comfort., Light Cushioning at Shin - Perfect placement for ski boots and is paired with compression at the ankle and arch for added stability., Reinforced Heel and Toe - Durable enough to last a few seasons., Warranty: Lifetime, Material: Synthetic, Type: Ski, Weight: Mid, Model Year: 2022, Product ID: 909310, Model Number: 198064 620 M, GTIN: 0192636240483