For runners. The Cloudmonster by On Running is a high-performance shoe that proves to be the best choice for road racing. Its main feature is the ultra-soft sole with Cloudtec technology, which guarantees stability, cushioning and force return when running at the highest levels. The upper, made with recycled materials, has an ultra-comfortable structure, ideal for everyday wear even for simple walks in the open air. breathable and antimicrobial mesh upper reflective logo fabric interior and insole padded tongue facilitated fit quick lacing reinforced heel CloudTec rubber sole NB The sizes shown are in US.