Jacquard scuba knit is one of double face knitting fabric which is knitted in double face circular knitting machine . It have two face ,each side can knitted in different yarn ,and a middle yarn (polyester or nylon filament yarn) tie two face yarn together . Jacquard scuba can make the fabric face have different pattern . In the same fabric weight scuba fabric is thicker than another kind of double fabric fabric called interlock because of it's middle yarn construction . Scuba knit fabric is more like sadwich . You can see it's middle yarn very clearly from it's cross section .