Tool Vest comes with a expansion system, allowing users to attach customized accessories; detachable shoulder pads and back hook-and-loop design enhance practicality for various scenarios. Security Vest adjustable sizing to fit different body heights, paired with an integrated quick-release structure for hassle-free wearing and removal during urgent situations. Outdoor Vest for Men uses 800D waterproof Oxford cloth, featuring water-repellent and wear-resistant properties to reduce wearing burden while keeping and breathable for extended outdoor use. Police Vest's lightweight fabric construction ensures no excessive weight strain, making it ideal for long hours of training, cosplay events, or outdoor activities. Outdoor Vest integrates functional design elements, combining expandability, adjustability, and durability to meet diverse needs of outdoor enthusiasts, security personnel, and cosplayers.