The Elevation Training Mask 2.0 Blackout in small size is a high altitude training mask designed by Training Mask. Made in the United States, this model features the Elevation Training Mask 2.0 with a sleek black color. It is perfect for athletes in various combat sports like boxing, martial arts, and MMA looking to enhance their endurance and performance at high altitudes. The unsealed design ensures a secure fit for training sessions.