? MILITARY-STANDARD MATERIAL? Heavy duty vest made of 1050D Nylon with sturdy stitching for extra durability and wearability, suitable for all field use. Two METAL Shoulder Buckles can bear great pulling force, ensuring your dog is safely harnessed during training, hunting, working, and any other occasions. Well padded in every pressure load point to protect your dog's skin, while the breathable air mesh keeps your dog ventilated and comfortable