TWP New Jill Crewneck Cashmere Sweater. Long sleeve, crewneck sweater knitted in five-gauge Italian cashmere. TWP cashmere is spun at an Italian heritage mill from single-origin yarns sourced for their unparalleled softness. The Jill Crewneck is a boxy fit, fully fashioned at the arm-holes. Complete with a ribbed finish at the collar, cuffs and hem.