Training Mask 2.0 Resistance Valves Lime Green

Training Mask's resistance caps allow you to increase resistance as you build your stamina and strength. Snap-on snap-off caps allow you to adjust the resistance on the go. Pump new life into old routines and make fatigue and training plateaus a thing of the past. Durable, washable, neoprene conforms to your face to create an air-tight seal. Strengthen your diaphragm by adjusting Training Mask 2.0's resistance valves to simulate different altitudes. This is a set of replacement valves for the Training Mask 2.0. This excludes the silicone rubber face cover and neoprene sleeve..Mask size DOES NOT matter.