New in packaging. 98% Polyester, 2% Spandex. Suitable For Men Shoes Size 7.5-12 And Women Shoes Size 5.5-10. Soft, Lightweight And Comfortable. High-quality Materials Guarantee Soft Touch And Long Durability, Keep Your Feet Dry And Let Them Breathe.Deep Heel Pocket And Arch Compression, Provide More Stable Fit. Plz see pics and bundle to save. I average 1 day shipping and you will get amazing customer service from a 5 Star Poshmark Ambassador.