This spring/summer long-sleeve one-piece workwear is made of pure cotton fabric, offering moisture absorption, breathability, abrasion resistance, and comfort. It is suitable for daily workwear in shipyards. The turn-down collar one-piece design features practical pockets for ease of movement and storage. Reflective strips on the sleeves and pant legs enhance visibility during work. Available in red, white, and royal blue, with sizes ranging from S, M, L, XL to XXL, meeting the dress requirements of different positions.