Features: Heavy-Duty Zippers: Full or half-length zippers for easy on/off wear, especially useful for layering over uniforms. Zippers are usually made from durable materials like metal or heavy-duty plastic to withstand regular use. Durable and Comfortable Fabric: Typically made from cotton-polyester blends or fleece-lined materials for warmth and comfort. Weather-resistant options, such as windproof or…