Description Features Reviews TrainingMask 2.0® consistently in your exercise routine will improve respiratory power and breathing mechanics (how you breathe) which equates to enhanced air turnover during each full breathing cycle (inhale & exhale). Better breathing while training leads to increased stamina, endurance, workout capacity, and enhanced recovery. Stay stronger longer and reach your goals faster with TrainingMask®. you also receive a Carry Case, Training Mask 2.0 Jokester sleeve, Training Mask 2.0 Dark Venomous Sleeve! This deal wont last long! TRAINING MASK 2.0 IS 100% HAND-WASHABLE Do not machine wash 2.0 Turn It Up Bundle Contains: TrainingMask 2.0 Blackout in all Sizes Black Carry Case Jokester Sleeve Dark Venomous Sleeve