Amazon.com : 2L Hydration Bladder, BPA Free Water Bladder for Hiking Backpack 2 Liter Military Green Water Storage Bag with Insulated Tube, Hydration Back Pack Replacement for Outdoor Camping Running Cycling :
Navy SEAL USMC CamelBak w Bladder ThermoBak Hydration Backpack Insulated USA | eBay
2/2.5/3L Water Bladder Hydration Pack Storage Bag Folding For Backpack Water Bottle Hiking Camping Cycling Outdoor Water Carrier - AliExpress
I was also riding almost on Global Fatbike day, but on Sunday. The temperature was -12°C and I thought that my hydration backpack would work fine with the insulated hose without putting