It is built with the revolutionary X Radial™ suspension and EVA injection modeled foam back-panels which together will help you keep walking comfortably, even with a heavy load, for longer than would be possible with a normal bag.
The X Radial™ suspension incorporated in The North Face Primero 70 is a frame that serves to ergonomically support your body throughout your outdoor hike and makes the body's natural movements such as bending, reaching, and hiking over uneven terrain more comfortable. This aluminium flex frame is specially configured to copy the body's natural movement to ensure your comfort in the long term. It emulates the opposing rotation of the shoulders and the hips to eliminate the resistance of the load, thus effectively lessening the burden
on the hiker.
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