KAPVOE Photochromic Cycling Glasses Men Women Sunglasses MTB Mountain Bike Clear Youth Riding White 03

【Photochromic】UV-activated photochromic lenses adjust to UV intensity: darker in strong UV and clearer in weak UV. Automatic adjustment means no manual lens swapping—one lens for daytime and evening. More convenient in changing conditions (sunny/cloudy, shaded trails/open roads). 【UV400 Protection】All KAPVOE lenses provide UV400 protection (blocks 99.9% of UVA/UVB rays) for everyday outdoor and sports use. 【TR90 Frame & Clip-In Prescription Insert】Ultra-light, durable TR90 frame with flexible temples and non-slip rubber at key contact points for a more secure fit. Includes a clip-in prescription insert (lenses not included)—lenses must be made separately. 【Adjustable Rubber Nose Pads】Soft, non-slip rubber nose pads fit most nose shapes. Hydrophilic rubber maintains grip even in wet conditions—stable in rain, fog, or heavy sweat, so you don’t have to worry about slipping during sports. 【Multi-Sport Use】Great for cycling, motorcycle riding, running, skiing, baseball, volleyball, tennis, driving, triathlon, fishing, racing, climbing, softball, hiking, golf, boating, hunting, and more outdoor activities.