Bombas Socks: A shorter tube sock that won’t slide down throughout the day. The new sock height is reminiscent of the vintage crew. Two years was spent researching and developing the Bombas very first sock. Perfecting innovations like built-in arch support and a smooth, non-nagging toe seam. Now, it’s here in and features Stay-Up technology. Features: -Y-Stitched Heel -Cushioned Footbed -Honeycomb Arch Support -Seamless Toe -Stay-Up Technology -Extra-Long Staple Cotton -88% polyester, 4% elastane, 8% cotton -Brand: Bombas -Condition: New, with tags -Size: Medium, please see size guide in photos -Color: Black & gray Bundle and save Make an offer Enjoy fast shipping!