The On Running Cloudsurfer Max in Grey is a men's running trainer built around On's signature CloudTec Phase technology, delivering the brand's most cushioned ride yet. The knitted mesh upper shows a graduated speckled pattern of darker grey and navy dots that intensifies towards the toe box, giving the trainer a distinctive, technical look that stands apart from more plain-knit running shoes on the market. Engineered as a single-piece mesh with varying knit density, the upper offers a semi-transparent, breathable feel across the forefoot, making this a strong option for anyone who runs regularly or simply wants a lightweight, well-ventilated everyday trainer.Comfort and fit are handled by a padded, partially gusseted tongue with a purple-toned lace-lock toggle to keep the thin round laces secure, while a moulded pale grey heel counter and fabric pull-tab loop make it easy to get in and out of the shoe. The standout feature is the periwinkle blue midsole, built with On's recognisable open lattice cut-out structure, which creates a staggered, layered wedge profile from heel to toe. Underneath, the dark grey outsole combines a raised central ridge with a purple-blue diamond and chevron tread, giving reliable traction whether on the road or pavement.Finished with a small Swiss flag badge on the heel and the brand's circular logo on the lateral midfoot, this Cloudsurfer Max reads as a genuine performance shoe rather than a lifestyle imitation, which will appeal to runners who want proven Swiss engineering underfoot. It suits everyday training, long-distance runs, or simply pairing with casual outfits for anyone who likes the chunky, cushioned trainer look currently popular in men's footwear. Compared to lighter, more minimal On models like the Cloudpulse, the Cloudsurfer Max leans further into maximum cushioning, making it a good pick for those prioritising comfort over a firmer, more responsive underfoot feel.