Swimming trunks by Nike, Supplier code: NESS7055-001, Elasticated waistband, Contrast stripe, Form-fitting design, Machine wash, 100% Polyester. Whether youre competing indoors or outdoors, Nike's range of high-performance swim gear has you covered think high-stretch trunks made from quick-drying, non-chaffing fabrics and UV-protective swim shorts. For those added extras, check out the brands swimming caps and goggles.