Unstructured Skate Cap. The Nike SB Club Cap keeps it simple with soft, unstructured cotton twill and a 6-panel design. The adjustable back strap and flat bill make it easy to style to your preference. Club caps all have any-day style with a mid depth. Cotton twill fabric feels soft and smooth. Adjustable back strap with buckle closure lets you find the right fit. Nike SB Club Strap-Back Hat