Leguano GO tennis shoes are extremely light and flexible and very breathable. Universal model, suitable for both women and men. The sizes of Leguano shoes are smaller than usual, so we recommend choosing a larger size. Upper material: 100% polyester Insole: 50% Polyamide, 48% Polyurethane, 2% Dye Sole: 100% LIFOLIT® The Leguano Go model is machine washable with a gentle program at 30 degrees. We recommend putting your shoes in a laundry bag, using a gentle detergent, not using fabric softener or washing powder. Minimalist measurements for the Go: mixed model: Size Inside length 38 24,5 39 25 40 25,6 41 26,5 42 27 43 27,5 44 28,5 45 29,1