It's just water weight... Well, water weight adds up quick. And even an empty water bottle takes up space in your pack. Take the Sea to Summit Watercell X 6L Reservoir with you on your next lightweight adventure. You'll save weight on the trip but still be able to fill up at the campsite.
Food-grade TPU
Filled – 13.75 x 9 x 4.25 in / 35 x 23 x 10 cm
Capacity – 6 Liters / 203 oz
Weight – 5.3 oz / 150 g
BPA-free
PVC-free
Taste-free
Flexible
Durable
Strong, Streamlined Grab Handles Double as Lash Points
Low-profile Fill Handle for One-handed Manageability
Abrasion-resistant
Collapsible