Socks in deep gray fall into the smart-casual category a.k.a. those days when you want to dress up without going over the top. It's a more playful alternative to your black socks. But even if you're in a fun mood, these Charcoal socks mean business - they're strong and durable while still being super soft and comfy. Material: 41% Baby Alpaca 34% Acrylic 25% Nylon Unisex: S, M, L *Small & Medium recommended for Women/ Large Recommended for Men