Three problems with a V1 backpack. Does that mean you need a new design?
A real-world ultralight backpack discussion about winter volume, X-frame bowing, shoulder pull and what to test before rebuilding V2.
Development Notes
Short field notes on sample revisions, factory handoffs, and material decisions.
Making a small change to a frame bag? Here's what I'd send the factory first.
A practical worked example of turning a frame-bag pocket change into a scoped next-sample brief, with mounting and bottle-clearance checks.
400D Cordura is tough. But do you really need it everywhere?
A 45L backpack material discussion about VX21, 400D Cordura, XLPE foam, spacer mesh and where abrasion resistance matters.