Get the ultimate running free experience in the Stealth M from Vivobarefoot. Designed to deliver a barefoot-like running experience. Highly breathable mesh upper. TPU film toe guard. Heel pull loop for an easier on and off. Contoured heel cup for added comfort. Dri-Lex Fantasia fabric lining wicks moisture away from the skin to promote a comfortably cool environment. Fixed 3 mm Poliyu insole. Differential: 0 mm. Outsole Thickness: 3 mm. Ultrathin, abrasion-resistant outsole features a puncture-resistant layer. Imported. Measurements: ; Weight: 10 oz ; Product measurements were taken using size 45 (US Men's 11.5), width D - Medium. Please note that measurements may vary by size.