Pit Viper The Exec Flight Optics FBA Merino Wool is a great

Merino Wool is a great athletic fiber that actively moves moisture

The elimination of connection joints leaves little room for play and reduces much of the flex that can make crampons seem less secure on technical terrain

DURA500™ Advanced Nylon and Polyurethane canvas knee panels

easily identified by the “T” suffix in the model number

as well as a 50% recycled removable EVA foam footbed

Pit Viper The Exec Flight Optics FBA Merino Wool is a greatThe Flight Optics, Pit Viper's Dual Lens Technology, sunglasses for the sky. Exit Row Comfort and Cockpit Clarity make this airport accessory the only First Class Pit Vipers. Lens: HDPV Polarized Polycarbonate Look thru color: Grey Light transmission: 13. 5%, CAT3 100% UVA + UVB protection No slip grip rubberized touch points DO: Clean your Pit Viper Lenses with the Limpcloth (included with every pair of Pit Vipers) and hot mouth breath, or Snake Oil