Worn twice. NB Minimus is a whole new approach to footwear, a place on the spectrum from barefoot running to the traditional maximum-cushioning running shoe. Inspired by Good Form Running and designed to be worn with or without socks. With only a 0 mm drop Odor resistant Synthetic/mesh upper Vibram outsole provides superior grip. Vibram is a registered trademark of VIBRAM S.p.A All rights reserved.