Sloper's, based in Manassas, Va., has been family owned and operated since 1969. Sloper's Stitch House opened its doors in 1997 and has since become Northern Virginia's one stop shop for custom apparel, team uniforms and special event t-shirts. We pride ourselves on great customer service and excellent product quality. Our highly experienced and knowledgeable staff is available to give you the personal attention needed to ensure that your product is exactly what you want.