Features:Neoprene Imported SIMULATE HIGH-ALTITUDE TRAINING: Boost your lung capacity, improve your stamina, and break through your limits with our workout mask.CHOOSE YOUR INTENSITY LEVEL: Personalize your training with 24 resistance levels designed for beginners to pros.FITS COMFORTABLY: Our universal fit sleeve and anatomical grip mask make this exercise mask fully functional without compromising comfort.EASY TO CLEAN: Use our included cleaning spray and cloth to maintain hygiene after each workout.BUILT TO LAST: Our gym mask is made of ultra-durable ABS plastic and comes with a zipper case for easy storage and transport. **Innovative Design** This breathable, shock-absorbing sports face mask features an innovative design concept, combining lightweight materials with professional shock absorption and protection technology. Its unique structural design ensures stable protection during exercise while maintaining ventilation and breathability, effectively reducing the sense of restriction on breathing. **Comfort and Breathability** This mask emphasizes the balance between comfort and breathability, using soft and breathable materials to ensure wearer comfort even during extended periods of physical activity. Specially designed ventilation holes are positioned at key locations to ensure airflow, reducing the heat buildup inside the mask and keeping users feeling fresh and comfortable.