Pre-installed WFS50 Roll-Off system, offers a large, clear field of vision in muddy conditions Anti-stick grid with mudflap Lens Lock System features four locking pins that go through the lens NoFogĂ– Anti-Fog lens treatment Frame is constructed of soft Thermoplastic urethane (TPU) with UV blockers to help maintain flexibility, even in cold temperatures Outriggers (strap attachments) are made of Polyamide (nylon) Polycarbonate lenses Made in the U.S.A. Works Film System (WFS) consists of two canisters - the WORKS Motorside Canister and the WORKS Supplyside Canister. Both are attached to the goggle lens. The Motorside has a strong engine and enough space to roll off the full dirty film, the Supplyside Canister holds the film Includes 2 rolls of film and extra pin. GOGL FURY WFS BL/OR CL-WK