??97.2% COMBED COTTON+2.8% SPANDEX??: More durable, stretchy and breathable than your average cotton or polyester socks. Recommended both for indoor and outdoor activities. ??100% NON SLIP??: The large medical biological silica gel is specially designed to cradle your foot, keep your sock firmly anchored to your heel and protect your feet from blisters. You can rely on our no show socks to comfortably remain in place throughout your day. ??100% NO SHOW??: WHISPER DEER no show socks fit perfectly for most sneakers, dress shoes, athletic sport shoes, boat shoes, casual shoes, canvas shoes and loafers, but not for very low cut shoes. ??REINFORCED TOE????It will prevent holes from forming by using combed cotton thread which is 5X stronger than average cotton. The toe cap is still supple, soft and incredibly comfortable to wear. ??ULTRA BREATHABLE??: WHISPER DEER no show socks are 2-3 times more breathable and sweat absorbent than our competitors, leaving your feet and shoes feeling fresh and free. Plus, no more smelly feet. ??SATISFACTION GUARANTEE??: We maintain a 35-days return policy guarantee. If there is anything wrong with WHISPER DEER no show socks, simply ask for a replacement or return it for a full refund.