Building and expanding on the success of the Tifosi Davos, the Alliant offers a multi-vented half frame design to take your performance to the next level. Using an innovative new shield lens design, the Alliant is undoubtedly the model of choice for the ultimate competitor.The all-around Gunmetal Alliant comes equipped with Tifosis most versatile Fototec Light Night photochromatic lens, with a Light Transmission range from 27.7% ( fairly dark ) - 75.9% ( virtually clear ) . Light Night is colour-neutral for zero colour distortion.Tifosis Fototec lenses adjust rapidly to changing light conditions, utilising variable tint technology. Whatever the light condition, Fototec lenses enhance your performance and increase your comfort by supplying superior clarity and protection.Includes a zipped hardshell case and a microfibre cleaning pouch.Key Features:Grilamid TR-90 frame is lightweight and durable,Hydrophilic rubber ear and nose pieces provide a no-slip fit,Adjustable nose and arm pieces for a comfortable, customised fit,Polycarbonate lenses are shatterproof, scratch-resistant and optically decentered,Vented lenses increase air circulation & reduce fogging,Fits L-XL face size,30 grams,100% protection from harmful UVA/UVB rays.