BIGBORN Bigborn AQUATEC Aqua Water Vest AT102 L Size Cools the body using only the power of water, no battery required. Employs a uniquely developed evaporative cooling system. An aqua water vest that is also ideal as an inner layer for fan-equipped wear. 【Unique Evaporative Cooling System】 Utilizes the principle that when water evaporates (vaporizes), it absorbs heat from its surroundings, providing a long-lasting cooling sensation with just water. *The cooling effect is based on the principle of evaporative cooling, so it varies depending on the surrounding temperature, humidity, and wind strength. The image may have reflections from the photography. Please understand. 【Condition of Use】 Used about 5 times. It has been washed, but there may be some stains from use, so please refrain from purchasing if you are concerned. Flat Measurement Back Length (approx.) 57cm Front Length 37cm Width 46cm Shoulder Width 38cm Please understand that there may be measurement errors. Shipped via Mercari delivery service. Free shipping nationwide. (Ships same day to next day. Ships from Fukuoka Prefecture) No pets, no smokers. ◈◈◈◈◈◈◈◈ I also have books, CDs, DVDs, game software, tableware and antiques, other clothing and miscellaneous goods, etc., so please take a look if you'd like. Feel free to comment. ✤Requests via Mercari's "bundle request" function will be handled more quickly.