Cloudnova. Designed for urban use, the Cloudnova by On Running is the perfect trail running sneaker for those looking for high-performance footwear. The new heel tab and the snug fit guarantee exceptional comfort, in a new look perfect for everyday use. Born in the Swiss Alps, it is ready to give you maximum comfort on your excursions. breathable and antimicrobial mesh upper heat-sealed TPU inserts reflective logo fabric interior and insole padded heel quick lacing reinforced heel Non-slip CloudTec rubber sole NB The sizes shown are in US.