GR1 USA X-Pac® 21 L Backpack tpc8 A clever tuck in the

A clever tuck in the base allows this bag to expand as you fill it

Refined brief handles and hardware

Two stretch mesh storage pockets

The Fieldspace features magnetic docks that securely attach inside most Boundary pack main compartments

Steel spring

GR1 USA X-Pac® 21 L Backpack tpc8 A clever tuck in theGORUCK only chooses tested and proven materials that can withstand any environment. Thats why they took the original GR1 rucksack and built it with X Pac and YKK AquaGuard zippers. X Pac is lightweight, ultra durable, and waterproofready for the rain soaked trails to city streets, giving you the confidence to carry your gear in all conditions. Exterior built out of X PAC VX21: A tough, lightweight, waterproof material Opens flat making it easier to