Quick where it counts. Tough where it matters. Hikers in the Katabatic RT Mid Waterproof trail shoe can feel confident moving quickly over wet and rugged terrain. Premium materials like GORE-TEX Invisible Fit, Vibram Megagrip rubber, and durable ballistic mesh will help keep you comfortable and feeling good without adding weight. 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. 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. HeelDrop 8mm Weight 16.2 oz / 458 grams