The Tifosi Optics Sledge Sunglasses cater to comfort and drives performance. They are made of Grilamid TR-90, a homopolyamide nylon characterized by an extremely high alternative bending strength, low density, and high resistance to chemical and UV damage. Oversized styling provides maximum coverage and an ergonomic face-fit. They feature adjustable temples, three vented lens options to improve air circulation and prevent fogging.Slay in the Tifosi Optics Sledge Sunglasses.