Sporty tube socks with marled detail at the foot. Socks are the #1 most requested clothing item in homeless shelters. Now, because of your support, they’re able to donate a specially-designed donation clothing item for every Bombas clothing item you purchase. So far, you've helped generate over 30 million acts of human kindness, and human comfort. Ribbed trim Cotton/polyester/rubber/spandex Machine wash Imported. Bombas. Color: Black. Size: Small.