Material: TPU frame + PC lens with high rigidity, not easily deformed or broken. UV400 protection blocks harmful ultraviolet light, reduces light intensity, and protects your eyes. Elastic headband strap is adjustable and skid-resistant, allowing you to loosen or tighten the band for a customized fit, comfort, and secure wear suitable for both men and women. Suitable for various activities such as skiing, snowboarding, skating, climbing, motorcycle or mountain biking, skydiving, bungee jumping, shooting sports, laboratory experiments, construction work, and snowball fights. Helps protect against wind, dust, cold air, snow, sunlight, and harmful light. Lightweight, durable, breathable, and provides warmth while shielding from wind, snow, and strong light. High cost performance with a high-quality TPU frame offering excellent impact resistance and a three-layer foam padding for comfortable wear. Lens features UV400 protection, anti-fog coating, double-layer construction, mirror coating, and enhanced durability.