Briefs by Ultimo Made from a stretch nylon fabric Soft micro-fiber fabric Low-rise, hipster cut Seamless design Bound with flocking technology Thong cut to the reverse No VPL ABOUT ULTIMO Famed for their silicone gel bras, Ultimo gained notoriety when Julia Roberts wore their Miracle Solutions Plunge Bra in Erin Brockovich. Consistently innovating while delivering quality crafted lingerie and swimwear, the collection samples an array of luxe fabrications with soft handle lace and satin trims featuring predominantly alongside their shapewear range.. Fabric 1: 79% Nylon, 21% Elastane, Gusset: 100% Cotton.. Hand Wash Only.