Source Summit 15L hydration pack review ❚ The products mentioned in this article are selected or reviewed independently by our journalists. When you buy through links on our site we may earn an affiliate commission, but this never influences our opinion. Source Summit 15L hydration pack review One of the best packs around for big days out Our rating inc reservoir May 12, 2021 at 11:00 am Source Summit 15L hydration pack Source br_hydrationPacks BR2215 7/f/7/3/7f73a96b1cf207aa9c39db24c8ef1dc6ad5846ab_Source_Summit_15L_hydration_pack_01.jpg 1,148g Latest deals Our review A bigger than average day pack that’s got all the features you’ll ever need for an epic ride, but can get a bit warm