Check the listing for details. Elevation Training Mask 2.0 Small High Altitude. Condition: New. Listed at 29.99 USD. The Elevation Training Mask 2.0 in small size is a high altitude training mask designed by the brand Training Mask. This mask is specifically made to provide resistance and challenge for athletes in training, mimicking the effects of high altitude training. It is a valuable tool for those looking to improve their endurance, strength, and respiratory function, especially for those involved in boxing, martial arts, or MMA. The Training Mask 2.0 is a versatile and effective piece of equipment for enhancing training sessions and achieving fitness goals.