Breathing Resistance Training Mask for Sports and Workout "New Arrival" Your lightweight underwear feature breathable

Your lightweight underwear feature breathable mesh that prevents you from sweating

1-inch full 1080p Super Amoled HD display

Metal stamp: 925 sterling

Dry erase pen is neatly stored in the rear compartment

Made with warm heavyweight fabric

Breathing Resistance Training Mask for Sports and Workout "New Arrival" Your lightweight underwear feature breathableWith many levels of resistance, this training mask is perfect for those working out and trying to get their gains! Great for all sports such as exercising, running, jogging, weight lifting, and all sports. Features: Improve lung capacity Made from high quality ultra durable material Helps burn more calories during workout, exercise, and jogging. Suitable for jogging, exercising, running, weight lifting, and all sports. Decrease Workout Time: Less