Patagonia Duck Bill Trucker Hat teal or  turquoise floral print Mesh Strapback Cap w solid white mesh back -  Style # 28756. Polymesh back w adjustable strap back. Gently used w no stains or snags. No odd smells. 'One size fits most'. The mesh is not the stiff type, but a soft almost knit feel like athletic shorts. The back strap has a plastic clasp that can be snapped apart and then you slide the material to adjust it. Very clean, Nice cap.