The Twister Safety Glasses offers premium optical quality and is extremely lightweight at 26 grams. It features a new revolutionary design with a 9.0 base curve. The sleek features encourage all day wear and comfort. The unitary lens offers a wider field of vision than regular glasses. The wraparound design offers a secure fit and increased protection around the eyes, minimizing slippage. Lenses are scratch resistant, hard-coated, and 100% polycarbonate, which filter out 99.9% of harmful UV rays. The blue mirror, outdoor lens with silver mirror finish, and grey lens are popular shades for all outdoor work or recreation. CSA approved and competitively priced to satisfy your safety budget.