Training mask 2.0

Training mask 2.0 Size medium Black Purchased on Amazon if you want to do more research Medical Grade Elastomer Made in the USA and Imported PUSHES YOUR LIMITS - Amp up the intensity of your workouts with our athlete training mask. Its revolutionary multi-level resistance feature enhances your fitness tolerance by improving your breathing power, flexibility, and stamina. ON-THE-FLY ADJUSTMENT - Set the breathing resistance of your fitness training mask, even while completing your routine! Equipped with multi-patented Nxt Forc3 technology, it allows you to carry on with your workouts without interruptions. DURABLE AND BREATHABLE TRAINING MASKS - Our 3.0 training masks for men and women are made from light, durable materials. Since its sleeves are fashioned from moisture-wicking neoprene, our workout training masks are excellent for intense routines.