Slightly roomier than our Slim Fit: eases slightly over the butt and through the leg. Features a fly for quick and easy access. Elevating your everyday. Slightly looser than our Slim Fit styles, Ultra combines super-softness with maximum breathability. , Three-D Fit™, Flat Out Seams™. LENZING™ ECOVERO™ certified eco-responsible viscose (95%) and elastane (5%). LENZING™ and ECOVERO™ are trademarks of Lenzing AG