AIRWAAV ENDURANCE Performance Mouthpiece (2-Pack) Combat Boots The upper features bold

The upper features bold

stroke-miterlimit:inherit

Alpha(Opacity=40)"

height: 18px

The Inferno Ultralight No Show Tab provides best-in-class performance with a barely there feel

AIRWAAV ENDURANCE Performance Mouthpiece (2-Pack) Combat Boots The upper features boldFUEL INJECTION FOR YOUR LUNGS The AIRWAAV ENDURANCE Performance Mouthpiece is designed specifically for endurance athletes. AIRWAAV directs your tongue down and forward when you gently bite down, it creates the optimal airway opening. Its patented and scientifically proven with peer reviewed, published research to provide athletes: Improved Breathing: Increases your airway opening by up to 25% Increased Endurance: Reduces your respiratory rate by 20%,