Tyvek Soft 1443R Sewable (by the metre)

$63.1 $108.53
Tyvek Soft 1443R A popular choice for lightweight bivvy projects. maker credit r/yurnotsoeviltwin maker credit r/RenderTheFish A useful size guide can be found on the Stitchback Gear site : here
Tyvek Groundsheet

Tyvek Groundsheet