Classic by name and classic by nature these Smartwool socks are a tried and tested product over many years but now featuring more sustainable materials. The Classic Hike Light Cushion Mountain Pattern Crew is also made with responsibly sourced, ZQ-certified merino wool that was grown with a focus on ensuring environmental, social, and economic sustainability while also taking the best care of Smartwool’s Merino sheep. This is a cosy, capable classic that is never going out of style thanks to its enduring performance and comfort.Smartwool Classic Hike Light Cushion Mountain Pattern Crew Features: 67% Merino Wool 7% Nylon 25% Recycled Nylon 1% Elastane Elasticized arch brace for secure fit Zoned Cushioning Flat knit toe seam for additional comfort