Tall lens. All-day comfort. The A Phase wraps a tall lens close to the cheek for full coverage and comfortable eye protection from every angle. Medium to Large fit Tall lens profile, sits close to the cheek 100% UV protection Z87 impact rated Dielectric and induction rated Free shipping on orders over $100 Photochromic Lenses Automatically adjust tint based on light conditions, so you never have to swap lenses mid-day. Photochromic Light - VLT 80% to 13% - ideal for mixed indoor/outdoor environments Photochromic Dark - VLT 60% to 9% - built for bright outdoor conditions Medium to large fit with a tall lens that sits low near the cheek, closing the gap where light, wind, and debris sneak in from below.