The Vango Breithorn Walking Boot is Vango's lightest and most feature packed backpacking boot allowing you to travel further. The rockered toe combined with the calibrated Vango Flexbeam® allow for a more supportive hike. The Breithorn features a newly designed heel-counter and heel-lock system for maximum heel-hold and protection when walking across rugged terrain.Features Protex® membrane - Ensures your feet stay dry and comfortable RockRubber - Extremely durable rubber compound offering toe protection, matte finish and tactile feel. Vango FootSpy Insole - Specially designed insole used to assess where your foot is in relation to the boot. Just use the red line as a guide. Traction System - advanced traction outsole system designed from the perfect compound for grip and durability. Strategically placed tread pattern facilitates self cleaning and a more-secure walk.