Spun Bamboo High Performance Crew Socks feature a Natural/off-white bamboo-rich body with blue padding on the bottom/footbed. Designed for performance and long-wear comfort, they combine arch support, flex zones, strategic cushioning, and a smooth toe seam in a crew-height athletic sock.Why You’ll Love Them Natural body with blue padding: Soft Natural/off-white sock body with blue cushioning on the bottom. Performance support: Arch support and flex zones help create a secure athletic fit. Strategic cushioning: Extra padding in the forefoot, Achilles, and heel cup areas for added comfort. Soft + breathable: Bamboo-rich knit is designed to help manage moisture and keep feet comfortable. Smooth toe seam: Designed to help reduce irritation during movement. Fabric87% viscose from bamboo / 10% nylon / 3% spandexFit + SizingUnisex sizing: Medium: Men’s 6–9 / Women’s 7–10.5 Large: Men’s 9.5–11.5 / Women’s 11–13 Extra Large: Men’s 12–14 / Women’s 13+ Best ForRunning, training, gym workouts, walking, work, travel, and everyday wear when you want supportive cushioning and breathable comfort.Pack OptionsAvailable in Single, 5-Pack, and 12-Pack options where available.Thoughtfully designed in California and made in China.