VO2 Master Face Mask with Headgear Size:M Over 5 hours in default

Over 5 hours in default update rate Environment 40°F (15°C) to 95°F (35°C) ambient conditions

Simply add 40g of GO Electrolyte (2 scoops = 40g) to 500ml of water in a bottle & shake well ensuring the lid is firmly closed

Keep on top of your hydration levels easily and efficiently thanks to this handy Hydration & Immunity Bundle

Can also be a useful contributor to your overall fuel and hydration needs during longer efforts

milk and sesame

VO2 Master Face Mask with Headgear Size:M Over 5 hours in defaultEasy to apply, autoclavable and comfortable face mask with an adjustable five point headgear. Available in multiple sizes. Full Description Use the adjustable five point headgear with user friendly velcro tabs to ensure a leak free seal with uncompromising quality and comfort.