Hot Feet Call for Cool Socks Like a breath of fresh air for your feet. The men's Burton Performance + Ultralight Compression Socks harness the all-natural powers of wool to keep you hiking, riding, or just chilling in comfort. Features: All-Natural Merino Power A lightweight merino blend sets you up for dry, comfy, stink-free feet. Made to Move Their snug compression fit is designed to support active days. Extra-Breathable The lightweight knit features enhanced breathability for all day comfort. Tech Specs: Features + Tech True Black;56% Polyamide, 33% Merino Wool, 7% Elastane, 4% Polypropylene Gray Heather;56% Polyamide, 33% Merino Wool, 7% Elastane, 4% Polypropylene Martini Olive;56% Polyamide, 33% Merino Wool, 7% Elastane, 4% Polypropylene Slate Blue;56% Polyamide, 33% Merino Wool, 7% Elastane, 4% Polypropylene Imported Yes Fabric 56% polyamide, 33% merino wool, 7% elastane, 4% polypropylene Warranty Lifetime warranty Sustainability Responsibly Sourced Wool (RSW) Burton Men's Performance + Ultralight Compression Socks - Gray Heather