• Neoprene sleeve with 1.5 L capacity water pouch
• Compatible with all vests, locks on shoulder back strap with velcros
• Placed in between the body and the vest to optimize the drag
• Can also be worn on top of the vest, but only if a Lycra Top is worn over it to keep it from moving too much
• Water pipe runs discreetly through the shoulder strap to front vest pocket
• Optimized shoulder opening and tube loop
• Removable water pouch included
• keep out all the air and bubbles of the water pouch to optimize suction
