New Balance Women's WX20v4 Cross-Training and Weightlifting Minimus Shoe 100% Synthetic/Fabric Made in the USA and Imported Vibram sole Minimalist runner with breathable no-sew overlay and lightweight construction 4mm heel-to-toe drop Odor-resistant lining REVlite RC competition-grade midsole Vibram outsole Weight: 6.1 oz. (173g)