Inspired by the French Legionnaries, the Spiro Cap from Arc' teryx is a great way to protect yourself from the sun this season. Breathable, lightweight and durable nylon cap. Extra-large laminated brim for added sun protection. Elastic head band for all day comfort. Back flap to protect your neck from sun, rolls away and secures with a snap closure when not in use. Reflective logo on front panel. Imported. Measurements: Circumference: 21 1 2 in Brim: 3 in Product measurements were taken using size LG/XL.