Too many times compromises are made to make a hiking shoe light and fast-not the Oboz Katabatic Mid Waterproof. It has the hallmarks of a light and fast shoe with all the features of a true hiker: support, stability, protection, and performance. The highly breathable waterproof Katabatic Mid is engineered to move fast on the trail and built for wet weather. Best For: Speedy Day Hikes, Fast & Light Overnights We use our 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. Width Standard Width - Men&';s standard width is C in the heel and D in the forefoot (according to Brannock DeviceA(R)). Patterns and materials in a given model may influence fit. We always recommend trying our footwear on to ensure the best possible fit. Volume Standard Shoe - Medium volume feet tend to be standard width with some combinations of high and/or low arches and a high and/or low instep. Upper Material Abrasion-Resistant Breathable Mesh B-DRY Waterproof Membrane- Reinforced TPU Overlays| welded & stitched to reduce weight, and provide protection & durability O FIT InsoleA(R) featuring OrtholiteA(R) Eco Originals and Hybrid eco contents with fully recycled moisture wicking top layer. Improved B-DRY lining adds increased waterproofness & breathability, is 100% recyclable and made from 25% post industrial waste. Oboz&';s most-tested rubber compound boasting superior slip-resistance, enhanced durability, and improved elongation and tensile strength. Weight 13.4 oz / 380 grams Heel Drop 8 mm