CEP Women&rsquo;s Outdoor Compression Crew Cut Socks Outdoor Merino Mid-Cut Socks 64% Polyamide/18% Merino Wool/10% ELASTANE/8% Silk Imported CEP MID CUT MERINO: Fits below the calf for a crew length height. Tough, durable compressive yarns increase blood circulation, reducing foot and ankle swelling. Outdoor Merino is perfect for hiking, trail running, trekking, and outdoor training. SUPPORT SOCKS: Expect a custom-like fit that eliminates friction, preventing blisters and rubbing. Padded cushioning optimizes comfort and prevents hot spots. 4-inch cuff height provides true ankle stability, preventing shin splint pain and injury. COMPRESSION: Medical grade 15-20 mmHg compression hugs your foot and arch while graduated compression supports your shin and ankle, increasing blood circulation by up to 40%. The best outdoor sock for maximizing comfort, endurance, and pain relief. COMFORT & QUALITY: CEPs finest merino wool blend is lightweight and breathable, keeping your skin dry and comfortable. Anatomical foot padding hug your feet for a wrinkle-free, athletic fit. CEP Trail Merino is the best trail running sock, period. 69% Polyamide, 22% Wool (Merino), 9% Spandex