Brief:1. Soft and breathable neoprene fabric 2. Humanization design for comfortable usage 3. Replaceable filter and exhalation valves 4. Hoop and loop design for different head size
Brief:1. Soft and breathable neoprene fabric 2. Humanization design for comfortable usage 3. Replaceable filter and exhalation valves 4. Hoop and loop design for different head size
Brief:1. Soft and breathable neoprene fabric 2. Humanization design for comfortable usage 3. Replaceable filter and exhalation valves 4. Hoop and loop design for different head size
