1. 8 Sets of Strong Magnets & Myopia Slot Design – Equipped with 8 groups of powerful magnets for quick lens replacement, and a dedicated myopia slot fits myopia glasses perfectly, meeting the needs of nearsighted skiers for outdoor sports. 2. Dual-Layer Anti-Fog PC Lenses – The double-layer lens design prevents fogging during intense skiing, while the high-toughness PC material resists impact and blocks harmful UV rays to avoid snow blindness. 3. Durable TPU Flexible Frame (163g) – Made of high-quality eco-friendly TPU, the frame is flexible and unbreakable, with a lightweight 163g build that ensures long-time wearing comfort for skiing, mountaineering and cycling. 4. Three-Layer Sponge & Adjustable Strap – The three-layer sponge fits the face snugly to keep snow and wind out, and the adjustable elastic strap adapts to different head sizes for a secure and customized fit. 5. 120° Wide Vision & Ventilation Holes – Offers a 120° ultra-wide field of vision for unobstructed skiing, and built-in ventilation holes reduce internal pressure and further prevent fogging for a clear view.