There's no gray line when it comes to comfortable, fashionable everyday use socks. These X-SOCKS socks should be on top of your list. Features a unique Sinofit footbed made of 99.9% pure silver effectively limiting bacterial growth and unpleasant foot odor and athlete's foot. A self-adjusting cuff for a snug fit. X-Cross bandage helps stabilize the ankle. Achilles tendon protector protects this vital tendon. AirConditioning-Channel cools the feet. Toe Protector absorbs pressure and hugs the toes. Anatomically shaped L and R footbed. Heel Protector decreases the risk of blisters. Traverse AirFlow channel system ventilates the sole of the foot. Crew length cut. Machine wash cold, line dry. Single pair only. ; Consists of: 60% Mythlan 20% nylon 15% Silver Nodor 3% elastane 2% Robur