Also known as: セパスク
The blue Competition School Swimsuit worn by the Horse Girls in Umamusume.
It is a Blue One-Piece Swimsuit with thin white shoulder straps, a white Single Vertical Stripe on each side, a presumptive tail hole, and shorts-like leg openings. Usually depicted as a shorts and camisole set, although one-piece depictions are not uncommon.
Do not use this tag for other swimsuit designs that aren't specifically this swimsuit.