Features: Shock Resistance and Explosion-proof: High strength eyeglass, shock resistance and explosion-proof, high definition and transmitting. Great Performance: Ergonomic nose braces, professional perspiration vents, face protection, good effect of wind and sand prevention. Adjustable Size: This protective safety glasses features flexible and adjustable strap, adjust size as you like, to meet different needs.. Durable to Use: Our sports goggles is made of quality PC and silicone materials, which is lightweight and firm, durable and long service-life. Wide Application: Its very suitable for outdoor cycling, sand race, adventure, hiking, mountaineering activities. Lens are replaceable. Specifications: Material: PC+Silicone Frame Color: Black/Blue Package Weight: approx.55g Size: approx.16x5x4cm/6.29x1.96x1.57in (More Size Detail, Please See Photo.) Note: Please allow 1-2cm error due to manual measurement. Please make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thanks! Package includes: 1Pc x Sports Goggles