Oboz uses their own gender-specific lasts to address the anatomical nuances between different types of feet. Length runs true to size. Form hugging heel cup, sculpted mid-foot, and a generous forefoot & toe box. Specs Waterproof nubuck leather CORDURA® AFT mesh fabric & TPU overlays 100% rPET REPREVE® laces rPET webbing and lining Weight 13 oz / 369 g