The Sunday Afternoons UVShield Cool Convert visor hat easily transitions from a cap to a visor to keep your head cool and protected while you are picking up the pace outdoors. The optional ponytail opening at the top of the crown is perfect for a messy bun or ponytail. A UV reactive logo changes color with sun exposure.CoolcoreA(R): A patented chemical-free technology, CoolcoreA(R) is designed to keep you cool and comfortable in any temperature or condition, rapidly cooling and wicking moisture through regulated evaporation. Best of all, it won't wash out over time. CoolcoreA(R) cooling technology is built into the fibers of the fabric and keeps its cooling properties for the life of the garment.A UPF of 50+ blocks out 98% of UV rays when worn-allowing you to diminish the sun, not the fun.Body: 88% polyester, 10% spandexUPF 50+ sun rating2A 1/2" brim with soft foam insert for optimum comfortCoolcoreA(R) chemical-free cooling fabric and sweatbandSunglass Lock(TM) keeps glasses in placeEasily converts from visor to capOptional ponytail opening at top of crownUV reactive logo changes color with sun exposureReflective detailsFloats in waterStretch comfort adjustable sizingOEKO-TEXA(R) Standard 100 certified fabricPatent pendingPacking: Packs flat, do not fold or crease brimHand wash cold, line dry. Do not bleach, iron, or dry clean.Weight: 2.2 oz / 62.5 g