This is a commonly used, so-called "old-style" girls' school swimsuit. This school swimsuit is from "FOOTMARK Co., Ltd.," a long-established school swimsuit manufacturer. As one of the top-share companies for school swimsuits, they have a long history of producing school supplies and are known for their functionality and durability. The company creates products from a "1/1 perspective," and in recent years, they have been developing functional products that meet the needs of the times, such as gender-neutral, unisex separate swimsuits. Product Features: Design: A navy blue one-piece type with thick shoulder straps and a U-shaped open back, a classic "old-style" design. Uses: Primarily for elementary, junior high, and high school classes, and also popular for its retro and timeless design, it is also loved as a collector's item... or so they say. Bonus: Navy blue swim cap or name tag, your choice. Chest 70-78 cm Waist 76-84 cm Size 150