Keystone Uniform Depot offers uniforms and duty equipment to first responders and professional workers. Customers appreciate the helpful and service-oriented staff, although some find the prices a bit high. The business has a wide variety of uniforms and products, and many reviews highlight the knowledgeable service, especially for California Department of Corrections gear. Tailoring services are also praised for making uniforms fit well. Customers, including letter carriers for USPS, report excellent customer service, with staff assisting in selecting and customizing items for their needs. Overall, Keystone Uniform Depot is recommended for its quality products and friendly service.