Purchased last July. Worn about 10 times. Please check the condition in the images. -------------------------------------------------------------------- Open Air Sneaker. A next-generation sneaker made from two cords and a single sole. This revolutionary and unique hybrid footwear was completed after three and a half years of planning, rethinking the shoe-making process from scratch. UPPER: 3mm recycled PET round polyester cord x microfiber upper FOOTBED: Lightweight PU (polyurethane) footbed molded to the shape of the foot, with a microfiber top sheet to reduce slippage and enhance sweat absorption MIDSOLE: High-rebound PU midsole provides comfortable cushioning OUTSOLE: Laser siping on the outsole, non-marking specification with excellent abrasion resistance and grip without leaving marks Patented interlocking cord system, two elastic polyester cords deform to fit the movement of the foot, providing a superior fit Easy to put on and take off, comfortable fit, KEEN's signature bungee laces Microfiber heel back that softly holds the heel UNEEK original collection using 3mm round cord Uses recycled PET