Be assured that wearing this hat could actually reduce your lap or elapsed time, and could also increase trap speeds or HP, but results vary.
However, they are pretty cool.
Offered in two versions, this one being black, with 3D-embroidered, 'right up in front' TiAL logo, and with the Xona Rotor logo riding along out back as well.
Genuine FlexFit 110, snap-back design, and, as they say, one size fits all.