Our black crew socks for boys are made with a lightweight and breathable nylon knit fabric that keeps feet cool and comfortable With a crew height design, these kids crew socks offer perfect coverage for active play and all day wear Available in a pack of 3, these flat crew socks for boys have a reinforced heel, toe, and cuff, adding durability where it's needed most Our boys crew socks offer a soft, stretchy construction with smooth seams for irritation free comfort Crew length socks care. Machine wash cold in mesh laundry bag with like colors. Do not bleach or iron. Tumble dry on low