Engineered for motion, the On® Cloudnova 2 are the fresh, lightweight favorite. Crafted from polyester upper, lining, and rubber insole, this pair of shoes features round toe, lace-up closure, bold and distinctive design DNA, improved step-in experience, Speedboard® attached to heel clip for support and heel hold, bio-attributed Zero-Gravity foam midsole, with less CO2e emissions than standard ethylene-vinyl acetate (EVA) midsoles, and stabilized heel pillow for added stability and speed.