DetailsKinetik Tops Size Chart Race fast and fierce in the Kinetik Triathlon Singlet. This woman-specific cut features a seamless shelf bra to encircle the chest with 360° of support. The proprietary 3SK fabric provides sun protection, water repellency, and compression benefits. The sleeveless singlet has generous but snug arm holes, a wide racerback, and compression panels along the spine, lumbar region, and over the abdominals. A narrow silicone-dotted grip holds the waistband in place.