Lightweight and ready to race, the Nathan VaporCloud boasts a body-mapped vest shape to reduce pressure points and allow full range of motion. This vest carries a 70 oz (2L) slideseal bladder and all the gear you need for multiple hours on the trail. Dual V-shape sternum and shoulder load-lifter straps let you quickly adjust fit on-the-run to prevent bouncing. A large rear stretch zipper pocket with exterior bungee stores apparel, front and side mesh zipper pockets stash nutrition and electrolyte caps, and dual front holsters let you pack 22 oz bottles for additional hydration.
Electricity Blue/Safety Yellow (4531NEBY)
33 - 39"
37 - 44"
*Measure in inches around rib cage **If between sizes we recommend sizing down
70 oz (2L) Hydrapak® Slideseal bladder included
Provides liquid for about 3 hours of exercise, depending upon individual hydration needs
Open-top insulated bladder sleeve for easy filling
Hydration tube guides allow tube to be run over or under arm on either left or right side
Magnetic clip helps keep tube in-place
Body-mapped, Ergological™ fit vest moves with you for maximum range of motion; balances weight to eliminate shoulder pressure points
2 vertical and 2 side cinch straps of Bladder Control System™ to adjust fit on-the-run; helps maintain stability and prevent bouncing
Dual sliding front V-shape sternum straps to adjust fit and secure load
Breathable mesh and rear 3D Cooling Channel for comfort; helps move moisture away from skin
Hidden pocket behind back allows you to slip-in ice packs to help regulate temperature on warm days
Large, expandable back mesh zipper pocket holds lightweight apparel, warmers and accessories
Medium rear mesh zipper pocket for sunglasses, headlamp, phone or other items
Rear exterior bungee to stash lightweight apparel or warmers (removable)
Front zipper pocket for phone (fits iPhone 4 and 5 with case), headlamp, or other small essentials
Expandable front Power Stretch Mesh zipper pocket for nutrition or small accessories
Small front water-resistant velcro pocket for electrolyte capsules or tablets
Dual front pockets for water bottles or accessories; stay secured with bungees
2 side Power Stretch Mesh pockets for gels or other small essentials
Attached safety whistle via bungee
3 bungee trekking pole attachment points
3M Scotchlite reflective details increase visibility in low-light conditions
Torso Length: 15.5 inches (39.4 cm)
Weight: 19.4 oz (550 g) with empty bladder
Pack Volume: 11L (641 inches³)
Replaceable 70 oz (2L) Hydrapak® bladder
Slim and lightweight, fills easily with wide mouth opening and fold over/slide seal closure
Soft, high-flow bite valve and one-handed lock
Durable, kink-resistant drink tube
Plug-n-play, quick connection tube
Fill scale helps you monitor fluid volume
Reversible for easier cleaning and drying
BPA, PVC and Phthalate free, will not taint water taste
Durable Thermoplastic Polyurethane (TPU) construction
Meets or exceeds FDA and EC regulations
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