Step out in style with Nike Golf NKFB6449 Unstructured Cotton/Poly Twill Caps. Nike Golf NKFB6449 Unstructured Cotton/Poly Twill Caps has the perfect classic look, this contrast underbill cap continues the classic design. This popular cap has an unstructured, mid-profile design and a self-fabric closure with buckle. The contrast Swoosh logo is embroidered on the center back. 58/42 cotton/polyester twill. Please note: Although this cap is noted as M/L on the label and on the ordering grid, it is only offered in one size. It is One Size Fits All (OSFA).