【Flexible TPU Frame & High Impact Resistance】 The frame is made of high-quality TPU material. It is soft and elastic, and designed to resist deformation even when bent. The part that touches the face has high-cushioning sponge for long-lasting comfort. The sealed structure provides excellent snow and wind resistance, maintaining flexibility even in cold regions (approx. -35°C). 【Anti-Slip & Adjustable Strap】 Features a double-woven belt with excellent water repellency and elasticity. The back side has an anti-slip treatment for a secure and stable fit. The buckle allows for helmet compatibility, and makes it easy to put on, take off, and adjust the length. 【OK to Wear Over Glasses (OTG Compatible)】 Asian fit design naturally fits the face. You can wear it over your glasses, so you can enjoy winter sports without worrying about your vision. Compatible with helmets and hats. 【Anti-Fog Ventilation Structure】 Efficient ventilation design controls air circulation inside the goggles. It reduces fogging by taking in outside air and releasing moisture. 【Fits a Wide Range of People】 The strap is easily adjustable and is a user-friendly size for both men and women. Highly recommended for a wide range of users, from beginners to recreational use.