You can add a frame to any of the small packs; NDR, WL/WH, alpine machine 40 or 50 liters. Internal frames are standard on packs over 50L if desired.
Aluminum stays are all 7000 series Heat Treated aluminum. cut to length to fit your back. Several stay dimensions are available.
Frame sheets are polyethylene, with rounded corners and taped edges. Stay sleeves sewn directly to the frame sheet.
1 single removable stay, no frame sheet-sleeve sewn to the foam pad pocket
1 single removable stay with a frame sheet
2 removable stays -sleeves sewn to the foam pad pockets
2 removable stays with a frame sheet.