Wake up your inner-beast! Our Wiley X WX FIERCE helps fuel your fire when you are in the heat of battle by providing you with superior protection. By meeting ASTM F803 safety standards for high-velocity impact resistance, you'll have the confidence to look fear in the face and laugh. The soft plastic nose piece and lightweight frame deliver extra comfort, and the adjustable strap can convert your glasses into protective goggles. The WX FIERCE might be designed for sports, but this piece of eyewear doesn't play games. Shatterproof Selenite™ Polycarbonate lenses that meet rigorous ASTM F803 sports safety standards 100% UVA/UVB protection with distortion free clarity Converts to goggle with an included adjustable strap Optional Smoke Grey lenses (sold separately) Prescription Ready