Amazon.com : CamelBak Classic Bike Hydration Pack 85oz, Lapis Blue/Atomic Blue : Sports & Outdoors
Amazon.com : Hydration Tube Covers Bladder Insulators are Compatible with Camelbak Reservoir Water Bladder. Will fit MIL Spec Antidote and Crux (Black, Crux 85oz/2.5L) : Sports & Outdoors
Bladder Insulation for Camelbak Water Bladder - Reservoirs | Gearhandle.com