Skech-Air Air-Cooled MF Memory Foam. Fashionable platform trainers with lacing and a padded Air-Cooled Memory Foam insole for ultimate comfort. The Skechers Uno Galactic Gal Trainers also feature a sporty outsole for added support and durability. Upper: Faux Leather Insole: Textile Sole: Synthetic Heel height approx. 4.5 cm. Please make sure that you try your footwear on before returning, as the box or label may state a US/Euro size which is different to the UK size.