The Aduro Sport Peak Resistance Training Mask lets you achieve the effects of high altitude training by regulating how much air you breathe in with the 4 Level Air Flow Regulator. You can then reduce the amount of training time by getting the same results in a shorter amount of time. You will also increase your lung capacity and will constantly push your training limits to the fullest!

• Achieve the effects of a High Altitude Workout Efficiency when training, which helps decrease & maximizes your workout time
• 4-Level Resistance Valve System - Increase and Conditions Lung Capacity by Creating Pulmonary Resistance
• Simple Usage, Ultra-Lightweight, Anatomically Designed, Non-Slip Training Strap
• Strengthens the Diaphragm, Trains Breathing Muscles and Improves Overall Performance in any Sport
• One Size Fits Most - From 120 to 230 lbs (Has an adjustable velcro strap for a perfect custom fit)

How it Works:

The mask uses a multi-level resistance valve system which reduces the amount of air flow to your lungs, forcing you to take more focused and deeper breaths. 

• Increase physical stamina
• Increase lung capacity
• Simulates high altitude effects
• Athlete Approved

Resistance Valve System:

Four-level resistance valve system allows you to take your workout from 4,000 to 16,000 feet of altitude without the need to take off the mask.

Benefits:

Reduce the amount of training time and get the same results all while increasing your lung capacity.

Shipping Note: Shipping to Alaska, Hawaii, and PO Boxes is not available for this item