Stampd Nylon Track Jacket in Brown. - size S (also in L, M, XL/1X) Stampd Nylon Track Jacket in Brown. - size S (also in L, M, XL/1X) 90% nylon 10% spandex. Dry clean only. STLA-MO62. SLA-M3933JK-SPA. Influenced by his Southern California roots, creative director, Chris Stamp, founded the designer driven fashion label in 2011. Stampd is self-described as an ?avantstreet lifestyle brand? defined by quality materials that embody the urban street culture and styles of the East Coast blended with the scene and vibes of the West.