Mustang Survival Industrial Mesh Vest #1254 Size 4XL-5XL USCG approved. The MV1254 Industrial Mesh Vest is designed with large arm holes for unhindered mobility and mesh shoulders for cooling and comfort. The large front pocket with Velcro(tm) closure is great for storing supplies and materials, and the 32 square inches of SOLAS reflective tape across the front and back of the vest offers high visibility. The MV1254 22 includes USCG markings.