Aduro Sport Workout Training Mask - for Running Biking and Fitness, with High Altitude Elevation Simulation [Peak Resistance]
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<div style="text-align:left"><b>[Product Information]</b></br><ul><li class="aok-hidden" data-doesntfitmessage="We're not sure this item fits your " data-fitsmessage="This fits your " id="replacementPartsFitmentBullet"><span class="a-list-item"><span id="replacementPartsFitmentBulletInner"><a class="a-link-normal hsx-rpp-fitment-focus" href="#">Enter your model number</a><span>to make sure this fits.</span></span></span></li><li><span class="a-list-item"> 
							Simulates the Effects of High Altitude Training Workout Efciency, Helps Decrease & Maximizes workout time
							
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							4-Level Resistance Valve System - Increase and Conditions Lung Capacity by Creating Pulmonary Resistance
							
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							Simple Usage, Ultra-Lightweight, Anatomically Designed, Non-Slip Training Strap
							
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							Strengthens the Diaphragm, Trains Breathing Muscles and Improves Overall Performance in any Sport
							
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							One Size Fits Most - From 120 to 230 LBS
							
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