Model Number: 4710NB

Small in size, the Proton carries provisions in the most efficient and comfortable way, allowing you full range of motion when you hit the roads or trail

Details

• 3-way Propulsion Harness
• 2 liter Hydration Bladder with a Slideseal™ top closure and bite valve
• Rapid Access bladder pocket
• Large, dimensional Power Stretch Mesh pocket on each shoulder strap
• Honeycomb mesh shoulder straps and back panel add comfort, prevent chafing, and dissipate heat
• Air Scoop with ventilation channel
• Vertically adjustable sternum strap with drink tube clip
• External zippered pocket
• Reflective detail
• 100 cubic inch capacity
• Weight: 13 oz.