1)machine wash 2) 6 pair of socks per pack(2white,2balck,2grey) 3)Spandex for better fit 4)Fit for size 6-12 best

• This Men's Athletic Socks Made Of 75%Cotton,17%Polyester,8%Spandex .High Quality material to Wear-Resisting not easy Pilling.
• Cushioning on sole,heel,toe makes this sports socks much Durable,Comfortable,Breathable, Moisture wicking than normal casual socks
• Breathable Mesh adopt ventilation technology ,makes your feet much cool and deodorant to some extent.
• 'U' Design on the heel for high impact protection.No seam toe to achieve zero irritation.Delicate stocking top to comfort and no stress.
• It's Durability, comfort,resistance ,absorbing,wicking makes it fit for lots of activities,such Playing football/basketball/badminton,hiking,running and so on

This Men's Athletic Socks Made Of 75%Cotton,17%Polyester,8%Spandex .High Quality material to Wear-Resisting not easy Pilling.