Hydraulics™ LS 1.5 L Lumbar Water Reservoir smartwool Upper and rear T-tracks are

Upper and rear T-tracks are for fast installation/removal of accessories

from spring through summer and fall - you'll be a happy camper if you wear your Ferrosi

and dustproof

spare parts pocket

an integrated reservoir and insulated harness keep water flowing in cold weather

Hydraulics™ LS 1.5 L Lumbar Water Reservoir smartwool Upper and rear T-tracks areDesigned for Osprey lumbar packs, this streamlined 1. 5 liter reservoir offers a low profile and a shortened hose length optimized for off the back carry. The compact bite valve opens and closes with a thumb operated on off lever and attaches magnetically to the hipbelt, keeping hydration accesible on the move. Features Lumbar design and shorter hose length optimized for off the back carry and compatible with Osprey lumbar packs Compact bite valve