Description: Brand: ROCKBROS Country of origin: China Category: Cycling glasses Frame colour: Purple/Silver Frame material: PC+TR Lens colour: Transparent grey Lens material: PC Size: approx. 17,5cm(Length)*5,5cm(Height)*14,5cm(Width) Weight: approx. 29g Gender: Unisex Adults Activities: Cycling, Driving, Fishing, Running, Mountaineering, Golf Package includes: 1*glasses, 1*glasses box, 1*myopia frame, 1*soft bag, 1*cleaning cloth. Special features: 【Photochromic lenses】The cycling glasses automatically change colour depending on the light intensity: in strong light they change from clear to dark grey, in low light they remain clear. Photochromic lenses protect the eyes by blocking UVA and UVB. 【Lightweight & Safety】The weight of the glasses is only 29g. The PC lenses with UV-400 protection are shatterproof and scratch-resistant. The wide lenses ensure a wide field of vision while providing protection from dust, wind and glare for a comfortable ride. 【Further Details】 1.one-piece lenses for clear vision 2.adjustable nose pads for different nose shapes 3.myopia frame mountable for spectacle wearers 4.ventilation holes on frame for reducing resistance while cycling 5.anti-slip rubber temples for slip resistance, comfort while wearing 【Package Includes】 1*glasses, 1*glasses box, 1*myopia frame, 1*soft case, 1*cleaning cloth, 1*certificate