Here's what other sites are saying:
The CamelBak RaceBak top integrates wearable hydration into performance apparel perfect for endurance sports. Vest features a built-in pouch that carries a reservoir; wear it underneath your jersey.
Trail runners, mountain bikers, and adventure racers looking for a hydration solution that's ultra-light and aerodynamic can rejoice thanks to the Camelbak Men's Racebak Hydration Jersey. Ditch your bulky backpack; it's a dinosaur in comparison to this sleeveless jersey with an integrated hydration bladder and highly-breathable design. Compression fabric gently squeezes the water reservoir to conform to your back as you empty it, so that annoying sloshing sensation is history. Pull a jersey over the Racebak and go hands-free with your hydration while others struggle with straps and packs. Full-length front zipper secures the Racebak and allows you to vent out some heatThe integrated Hydropouch compartment holds the water reservoir close to your back with an aerodynamic profileA thin pad inside the Hydropouch provides insulation between your skin and your water supplyLocking bite valve allows you to sip water hands-free from the short hydration tube that snakes over your shoulder
Camelbak Men's RaceBack - New - HYDROPOUCH(TM) Innovative, integrated reservoir compartment encapsulates the 70 oz (2L) reservoir to support and stabilize water weight on your back. Air mesh back panel insert keeps your back cool while insulating the water in your reservoir. QUICKFIT(TM) Plush compression fabric self-adjusts to comfortably hold and stabilize 70 oz (2L) of water while conforming to your body. QUICKWICK(TM) Lightweight and breathable fabric with integrated stretch delivers moisture management and a performance t. CamelBak(R) Got Your Bak(TM) Guarantee: If we built it, we'll Bak it(TM) with our lifetime guarantee. Hydration Capacity: 70 oz / 2 L Total Capacity: 2L Reservoir Total Weight (Pack and Reservoir): 1.1 lbs / 500 g Dimensions: S: 35-38" chest (89-97 cm) M: 38-41" chest (97-104 cm) L: 41-44" chest (104-112 cm) XL: 44-47" chest (112-119 cm) Torso Length: N/A Back Panel: Air Mesh
- Massey's Outfitters
The Camelbak Men's RaceBak 70 oz makes hydration redefined and reinvented part of your apparel for cycling, running and other endurance events. Its thermo regulating base layer stabilizes 2+ hours of water in an aerodynamic, hands-free position on your back. Its vest design offers maximum mobility and comfort under any jersey with a pouch that holds a CamelBak 72 oz. reservoir firmly on your back, while remaining chafe-Free with flat seam stitching.
- Altrec Outdoors