ROCKBROS แว่นตากันแดดสําหรับปั่นจักรยาน mtb uv 400

Product details: Gender: Unisex Attributes lenses:Photochromatic Frame Color: Black Red/Black Weight: About 30g/pair Lens Height: 4.3cm Lens Width: 7.5cm Lens Material: Polycarbonate Material frame: Polycarbonate Frame Protection cyclist eyes from UV-400 UV (100% of UV protection) Non-slip nose pads is adjustable. Purpose: Cycling, Skiing, Sledding Children, Fishing ,Runing ,and all outdoor sports Note:Color change time:winter- 1 minute,summer-40 seconds.Speed depends on the strength of sunlight and UV intensity!