ROCKBROS UV400 Photochromic Sports Glasses [With Protection Coating] - RED BLACK SOFT FLASK See listing pictures for more

See listing pictures for more detailed instructions on usage

Color: BLUE

20% spandex

Our single serve sachets pack a powerful punch of sustained energy to help you push through your toughest workouts

Anti-slip silicone strap

ROCKBROS UV400 Photochromic Sports Glasses [With Protection Coating] - RED BLACK SOFT FLASK See listing pictures for moreROCK BROS Photochromic Sunglasses Intelligent Lens, Photochromic Clear Transparent Ultralight Rimless UV400 Protection Great for Golf, Cycling, Driving, Skiing, running, Tennis, Racing, and Other Outdoor Sports Transmittance: 80% 18% (80% is the light gray color when in low UV, 18% is the dark gray color when in high UV) Product Features: 1. Photochromic Technology 2. Frameless Construction, wide Vision 3. Lightweight cycling sunglasses 4. Thicken PC