A 3 side opening jacket is a type of jacket that has three openings or zippers instead of the traditional one or two. The three zippers run down the left, right, and middle of the jacket, allowing the wearer to open the jacket from either side and the front.
The benefits of a 3 side opening jacket include increased mobility, better ventilation, and easier access to pockets or other items that may be stored inside the jacket. The multiple zippers allow the wearer to adjust the fit and ventilation of the jacket to their liking and to quickly take the jacket on and off.
3 side opening jackets can be made from a variety of materials, including synthetic fabrics like polyester or nylon, natural fibers like cotton or wool, or more technical materials like Gore-Tex or other waterproof and breathable fabrics.