3 pack bamboo socks tonal cascade3 pack of premium bamboo men's socks in a harmonious grayscale gradient. From soft stone gray through anthracite to matte black discreetly stylish for everyday and office wear. Bamboo fiber provides natural breathability, moisture management, and a silky soft feel against the skin all day long. Material: 80% bamboo viscose, 17% polyamide, 3% elastane Height: mid calf length (classic dress sock height) Ribbed comfort cuff no tightness Reinforced heel