Story A lightweight performance sneaker built for all-day comfort The Cloudnova is a do-it-all daily driver characterized by incredible energy return, a pillowy feel underfoot, and enhanced breathability. The upper is made from a lightweight, airy mesh to keep your feet comfortable throughout the day and during high-output activities. Moving on down, the Cloudnova 2 incorporates a nylon-blend Speedboard® for smooth, heel-to-toe transitions and Zero-Gravity foam in the midsole for all-day comfort. As for the outsole, CloudTec® rubber ensures excellent impact absorption and energy return for a cushioned ride. Features Breathable, lightweight mesh upper CloudTec outsole with excellent energy return and impact protection Nylon-blend Speedboard® attached to the heel for a smooth ride Stabilized heel pillow for added stability and speed Zero-Gravity foam midsole cushioning for all-day comfort Materials Upper: 95% Recycled polyester, 5% Spandex Quarter: 100% Recycled polyester Tongue: 80% Recycled polyester, 20% Polyurethane Midsole: 50% Bio-attributed Zero-Gravity foam Outsole: Rubber Imported Sizing The CloudNova has a regular fit that’s true to size, take your normal sneaker 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 Weight: 11.1 oz. Heel-to-Toe Drop: 14mm 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.