Fabric type100% Cotton(except for the top), medium thick for all seasons, up to 1/3-1/2 of the calf-high, fit for shoe sizes 9-13.Pure Cotton Socks:100% cotton, comfortable, and achieves a good effect in sweat and heat absorption, sweat discharge, and ventilation. All cotton socks are breathable and moisture-wicking.Simple Color Casual and Dress Socks: spell color design, suitable for both business and casual occasions, paired with leather shoes and casual shoes. They are also dressed in cotton socks for formal wear.Knitted Cotton Crew Socks:double-needle sewing technology, stitches are sturdy and evenly. The casual cotton socks are durable and not easily deformed or get holes. They are also stretchy enough for a perfect fit.Medium Thick and Crew Cotton Socks: fit for US men shoe size 9-13, crew socks about 1/3-1/2 calf high. Thickness is moderate and suitable for wear at all seasons. Mid-thick cotton socks for you have an easy choice to buy.Packing: plastic bags package,5 pairs a pack: denim blue, off-white, light gray, brown, dark gray. Men's cotton socks pack for your best choice, convenient to use.