On Running Cloud X 4 is a versatile cross-training sneaker from On Running built for HIIT, gym sessions and short runs. It pairs the brand's Speedboard® propulsion tech with Helion™ superfoam and CloudTec® cushioning for flexible, responsive performance (Style ID: 3ME30040106). Key attributes: Black | Polyester | Signature Speedboard® plate for forefoot flex and propulsion | Helion™ superfoam midsole for soft landings | Signature CloudTec® cushioning | Perforated rubber outsole for traction | Front lace-up fastening | Midfoot cage for added support | Branded heel counter | Branded insole | Black knitted construction | Panelled design | Logo print to the side | Logo patch at the tongue | Jersey lining | Dimensions & fit: Heel: 3.5 centimetres | Sole height: 2.0 centimetres | Regular fit | Standard width (D) | Heel-to-toe drop: 7 mm | Composition & care: Outer: Polyester 100% | Sole: Rubber 100%