Iron Crush Workout Mask for Training – Running Mask for Respiratory Strength

Description

Workout Mask for Training – Running Mask for Respiratory Strength Boosting – 24 Breathing Resistance Levels High Altitude Exercise Masks for Men and Women
PERFORMANCE-BOOSTING TRAINING MASK – This athlete workout mask effectively improves workout results by simulating altitude training via the flux-valve system to strengthen respiratory muscles, increase lung capacity and boost your results
BUILT FOR PROS, WORKS FOR ANYONE – This oxygen depravation mask for elevation training has 24-resistance levels so even athletes who are not used to high altitude training can build up their resistance to get better workout results while doing it safely
FITS ALL ATHLETES COMFORTABLY – This high altitude mask for working out has double fastening straps with hook and loop fasteners on both the bottom and top straps to ensure the perfect fit for all head shapes and sizes for additional comfort
EVERY DAY DURABILITY – This training mask is top of the line as it has thicker and bigger flux valves, a wrap around rubber strap for durability, stronger levers and two hook and loop straps and bigger flux valves to remove and change them much easier
TRAIN HARD TO BE BETTER – No one ever said that achieving your physical goals were going to be easy, and the only way you can be the best is by putting in the hard work and increase your stamina under normal circumstances by training harder than conditions require