Oxygen Barrier Sports Mask

Features:

1. Cut your exercise time in half: Training masks make exercise more effective by simulating high altitude. Allows you to breathe deeply, making the diaphragm and respiratory system strong and powerful.
2. Stimulate the champion's potential: effective breathing, unmatched durability. Less fatigue, strengthen the body, get more energy after training.
3. Significant effect: The exercise mask adopts anatomical design and cutting-edge technology, suitable for any exercise-cardio, fitness, running.

Specifications:

Material: ABS, silicone, polyester
Color: Black
Applicable people: man
Applicable activities: outdoor running, endurance training, gym

Package Included:

1 * mask

WARRANTY

We'll refund your money if the item hasn't been delivered within 40 days after purchase. You have 2 weeks to request a refund — until day 60.
Product doesn't match the description? Contact us within 30 days after you receive it!
In case of cancellation, money will be refunded to your account within 3 days.