Outsole is heat resistant to 300

Water resistant

Made up of 49 strands of stainless steel braided together

With built in Antibacterial treatment to provide anti-odor comfort and optimum moisture wicking

Bonded internal fleece face

BAMBOO TEXTILES BAMBOO SOCKS - 3-YARN WORK SOCKS - 2 PACK pull over Outsole is heat resistant to2 PACK BAMBOO 3 YARN WORK SOCKS The 2 Pack 3 Yarn combination packs possess the same unmatched quality that customers have come to expect from our original best sellers, the Extra Thick Bamboo Socks, only now its a little easier to keep track of what pair are for work, play, or rest. Composition: 68% bamboo, 13% bamboo charcoal viscose, 11% cotton and 8% elastane.