Splits59 Rider Tank in Yellow. - size XS (also in S,M,L) Splits59 Rider Tank in Yellow. - size XS (also in S,M,L) 95% viscose 5% spandex. Side contrasted striping. Stretch jersey fabric and fit. Imported. SPLR-WS20. C8012C. High-performance is apart of the Splits59 brand DNA. The LA based line is full of innovative activewear for women that blends advanced fabrics with sleek silhouettes. With features like quick-dry sport performance fabrics, flat seams, fluff threads and plush elastics each piece is design to keep you looking fabulous and feeling great while going the extra mile.