Wiley-x wx swift youth sports glasses information meets astm safety rating for ball sports. To pass the high velocity impact resistance test, the eyewear must withstand projectiles sized from 40 mm to 65.1 Mm fired at a rate of 90 mph. The f803 standard tests the strength of the frame and the strength and clarity of the lenses. Youth force styles are tested to the plano and prescription eyewear classification. Youth force styles pass astm f803 testing for soccer, basketball, racquetball, squash, badminton, paddle ball, tennis and handball. Converts to goggle with an included adjustable strap shatterproof selenite polycarbonate lenses that meet rigorous as f803 sports safety standards optional smoke grey lenses sold separately 100% uva uvb protection with distortion free clarity prescription ready fit: youth tweens. 8 Base. Eyesize: a: 66, b: 41, dbl: 14, tl: 120 see more help tab for sizing information wiley-x youth force prescription information since frames are astm safety rated, only the proper prescription lenses with proper thickness can be used in these frames 2mm thick polycarbonate or trivex . Recommended prescription ranges 4.00 To -4.00 Total power sphere plus cylinder , higher prescription range 5.00 To -7.00 Available in digiforce digital lenses upgrade . Lenses available in polycarbonate material. Prices are quoted for single vision distance only estimated time: 7 to 10 business days. Coatings add an extra week.
Wiley-x wx swift youth sports glasses information meets astm safety rating for ball sports. To pass the high velocity impact resistance test, the eyewear must
