The Y-3 Lo Socks flash an engineered "Y" on the back.
Y-3 Sock LO Black L A minimum of 50% of this product is a blend of recycled and renewable materials. Ankle length 62% cotton, 31% recycled nylon, 5% recycled polyester, 2% recycled elastane Ribbed cuffs Y-3 logo . Soft and comfortable, they have a slight stretch and ribbed cuffs.