• 4 inhaling resistance levels can be easily adjusted during training without taking your mask off made possible by the PRS (Phantom Regulation System)
• Premium materials including medical silicone and resilient fabric create an ultra lightweight, anatomically designed sleeve that will not slip during training
• Available in 3 sizes - see Product Description below and chart at left
• The mask sets your focus on your breathing by limiting your air supply during training and improves conditioning and overall performance - XHALE Your Limits!

Progenix is the Exclusive Authorized Seller of Phantom Training Mask