The Katabatic has quickly become one of our most popular hikers and the new Katabatic LT takes the collection to a new level in a lighter package with improved performance and additional environmentally friendly materials. Waterproof styles include GORE-TEX Invisible Fit technology providing enhanced breathability and combining true fit, feel, and comfort with the GUARANTEED TO KEEP YOU DRY promise. From fast packing to day hiking the Katabatic LT is the shoe of choice. Fit Notes 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. Technical Specifications 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. Wide - Men&';s wide width is C in the heel and EE in the forefoot (according to Brannock DeviceA(R)). 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. Wide Shoe - High volume feet tend to be wide with high arches and a high instep, or a combination of these. If you have bunions, you may consider a high-volume shoe. Upper Material 100% Recycled Polyester Mesh with TPU Hotmelt Overlays TPU Reinforced Toe Cap GORE-TEX Invisible Fit Waterproof Construction Weight 11.8 oz / 335 grams Heel Drop 8 mm