Bare-Fit - constructed for sockless wear, the linings are a Dri-Lex fabric with anti-microbial Smart Silver to battle moisture, odor and to reduce hot spots; Perforated micro-fiber synthetic upper provides a snug fit while actively accommodating foot swelling during a race; Tri-Dry technology limits water retention in the shoe; Patented Quick-Lace system for speed of entry with a single-handed pull; CarbonSpan+ provides smooth and powerful toe-off; Asymmetrical perforated neoprene panel ensures excellent fit and quick entry while maintaining breathability; Lightweight and minimalist
M's Weight: 8.5 oz./241g;
Midsole Heights: 19mm/9mm