5% Spandex 180GSM Lyocell Wool Acrylic 170cm Wide Stretch Knitted Fabric for Polo Shirts and Knit Tops This article sits in the same construction family that Chinese mills already supply for polo shirts and knit T-shirts at 170cm width, so the fit blocks and cutting markers your team uses will transfer without re-grading. What the 5% spandex changes is the recovery: collars and plackets come back flat instead of curling after wash, and slim bodies keep their line across a