Features Enter your model number above to make sure this fits. P.when("RPPStripeRendered").execute(function(stripeData){ if(stripeData && stripeData.state){ switch(stripeData.state){ case "result-found": document.getElementById("replacementPartsFitmentBulletInner").innerHTML = "This fits your "+stripeData.item+"."; document.getElementById("replacementPartsFitmentBullet").className = ""; break; case "no-result": if(stripeData.showBullet && stripeData.showBullet !== "0"){ document.getElementById("replacementPartsFitmentBulletInner").innerHTML = "No information found for this part for "+stripeData.item+"."; document.getElementById("replacementPartsFitmentBullet").className = ""; } break; default: document.getElementById("replacementPartsFitmentBullet").className = ""; } } }); Camelbak 20211 Hydration Backpacks Black #VALUE! Description Product Description CamelBak 20211 Viper Hydration Pack, BlackWhen the mission is long and tight quarters are a fact, look to the Viperâ"¢. Low-profile and ergonomic, this system is built around the 102 oz. (3L) OMEGAâ"¢ Reservoir. Even fits well underneath tactical vests or concealment clothing. Integrated side pockets hold essentials, such as clip, flashlight, and radio. Water on command. Essentials within reach. This is the ultimate tactical system. Just the basics -- Hydrate or Die.CamelBak 20211 Viper Hydration Pack, Black Features:; CamelBak® Got Your Bakâ"¢ Guarantee:  If we built it, we'll Bak itâ"¢ with our lifetime guarantee; Capacity - 102 oz (3.1 L); Low-profile design ensures comfortable fit under armor or gear; Includes HydroLinkâ"¢ Modular Connection System with positive shut-off HydroLockâ"¢; Quick and easy external fill via the massive OMEGAâ"¢ Access Port; Tough, abrasion-resistant 1000D Cordura® exterior