Fit & Design: Midweight merino blend sets you up for dry, comfy, stink-free feet Padded zones help alleviate pressure on your shins and around your heel Snug compression fit is designed to support active days Chafe-Free Link Toe Seam Quick-Drying and Odor-Resistant Polypropylene Reinforced Footbed Padded Channels Alleviate Pressure and Increase Comfort DRYRIDE Ultrawick(TM) Venting Toe Panels All-over elastic support Sock lock reinforcements Low Profile Welted Cuff Midweight and ergonomic Additional Details Responsibly Sourced Wool (RSW)