Double Your Comfort. Between the all-natural powers of wool and a snug, compression fit, the women's Burton Performance Lightweight Socks are all in for longer days, fewer breaks, and more comfy feet. Think of them as energy drinks for your feet, without the crash and burn. A lightweight merino blend sets you up for dry, comfy, stink-free feet. for getting after it.   FEATURES: 50% Polyamide  18% Merino Wool  18% Polyester 10% Polypropylene  4% Elastane + 47% Polyamide  19% Merino Wool   19% Polyester  10% Polypropylene  5% Elastane Merino wool blend for wicking, breathability and comfort; Two pairs per pack Quick-drying and odour-resistant polypropylene-reinforced footbed DRYRIDE Ultrawick venting toe panel improves airflow; Chafe-free toe seam Allover elastic support Sock lock reinforcements help to keep your heel from slipping Ergonomic, articulated left and right MotionFit Low-profile welted cuff; Over-the-calf height Made in Italy Lifetime Warranty