NIKE SWIM Poly Color Surge BriefThe Nike Men's Poly Color Surge Brief with durable polyester fabric offers a streamlined fit with excellent shape retention for long-lasting wearability.MORE BENEFITS-Stretch waist with interior draw cord for a snug, adjustable fit-Low rise fit for comfort-Engineered with Nike Performance Poly, a durable long-lasting performance polyester-Excellent shape retentionFabric100% polyester (53% polyester / 47% pbt)