For the most comfortable run you've ever experienced, lace up the ON Cloudflyer. Seamless no-sew upper with plush tongue and antimicrobial knitted mesh liner for a clean, comfortable fit. Curved rocker midsole encourages a natural running motion. 12 Zero-Gravity foam "clouds" are precisely placed for comfortable cushioning with every step. Wider CloudTec platform increases stability for a stronger running stride. Wt. 9.8 oz.