- Sporty Skechers Uno Timeline sneakers, made of imitation leather. The comfortable insole and the lining are made of textile. The sneakers are closed by means of a lacing. Thanks to the cushioning footbed with Air-Cooled Memory Foam, the shoes are extra comfortable. This footbed also has a ventilating effect. The perforations on the upper provide a cooling effect. The midsole is equipped with an air cushion and therefore offers excellent support and shock absorption with every step. The rubber sole is flexible and offers a lot of grip. The gray Skechers Uno Timeline sneakers have a fixed footbed.