Story On’s most-cushioned, high-performance shoe On’s structural outsole innovation known as CloudTec® revolutionized the running game, making them the top choice for triathletes around the world. The Cloudmonster is a beast of a running shoe that continues that legacy with the most cushioning On has used to date. Like running on clouds, but turned up to 11, this speed demon combines this cushioning with their explosive Speedboard® tech and a radical rocker shape to push you further with every step. With massive amounts of rebound designed to blast your takeoffs into orbit, this shoe is your ticket to lightning-fast speed and cloud-like comfort. Features A massively cushioned running shoe built for speed and comfort On’s largest CloudTec® elements to date deliver super-soft landings and maximum rebound Explosive Speedboard® technology in the midsole stores and releases energy to propel you farther Radical rocker shape helps encourage forward motion Helion™ outsole delivers a responsive feel purpose-built for pavement without sacrificing comfort 100% recycled soft-touch uppers are ultra-comfy on runs of any distance Materials Upper: 100% recycled polyester Midsole: CloudTec® cushioning Outsole: Helion™ rubber Made in Vietnam Sizing The Cloudmonster fits true to size, take your normal shoe size If you're not sure, compare your foot length to the chart below Size CM Length (Insole) 8 26 8.5 26½ 9 27 9.5 27½ 10 28 10.5 28½ 11 29 11.5 29½ 12 30 12.5 30½ 13 31 All measurements in centimeters. Specs Heel-to-Toe Offset: 6 mm Weight: 19.4 oz (pair) About On For the past ten years, On has risen from a small collection of technical runners favored by Ironmen, to a full lineup of Swiss-engineered performance gear ready to take on whatever challenge lies ahead. Their team is led by triathlon champ Olivier Bernhard, and each product is tested by Olympians, triathletes, and every other stripe of competitor to be best-in-class when it comes to comfort and versatility.