Bamboo Heavy Duty Socks - 3 Pack - Black/Blue SELECT:Bulk Buy $144/4 × 3 Pack Outside yarn: cotton yarn 100%

Outside yarn: cotton yarn 100% Inside yarn: spandex(polyester/elastane)

Natural wool thermal blend retains warmth close to the skin

Overall the socks are made of 90% bamboo yarn and 10% spandex

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Bamboo Heavy Duty Socks - 3 Pack - Black/Blue SELECT:Bulk Buy $144/4 × 3 Pack Outside yarn: cotton yarn 100%Heavy Duty Bamboo Socks 3 Pack These heavy duty bamboo socks are knitted using a high percentage of premium bamboo yarn on a heavy gauge sock knitting machine to create thicker, softer, and longer lasting socks. Designed for work, hiking, boots, winter wear, and everyday comfort, these extra thick bamboo socks feature a specialised high loop terry cushioning system for superior softness, insulation, and shock absorption. Approximate net weight per