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This is and excellent material for making light weight and ultralight backpacks. Compared with X-21 and other X-Pac materials, this HDPE Gridstop is more supple and less stiff, so it does not hold crease lines where it has been folded. The suppleness also works better for draw cord channels and roll tops, where the fabric gets folded and ruffled frequently. Another benefit over X-Pac is no thick X-grid, which is a locus for wear, especially in areas that get folded or ruffed. The HDPE Gridstop is also an attractive material with a reasonable selection of colors that complement each other.
The PU coating appears to be uniform and substantial, although it does taper off in the last inch or so of the selvedge edge. The material is a little more difficult to cut with scissors than X-Pac, due to the toughness of the white HDPE gridstop threads (a benefit nonetheless). While easy enough to sew, the material does stretch a little more and is a little more slippery than X-Pac, requiring a slight change in your sewing technique.
I have been trying to see lighter and lighter fabrics for so long, that tossing a burley chunk of this gridstop under the foot of my machine was oddly satisfying.
Pleased with the new colors!
210D HDPE Gridstop