Flame Retardant Undershirts And Bottoms Material:60% modacrylic/40% cotton Weight:180-300gsm 1*1 rib,2*2 rib,interlock,jersey Flame Retardant Undershirts And BottomsMaterial:60% modacrylic/40% cottonWeight:180-300gsm1*1 rib,2*2 rib,interlock,jersey,flat lock stitchingThe material can be as belows:60% modacrylic/40% cotton flame retardant and anti static terry fabric85% modacrylic/15% cotton flame ...