Cap with roof male under armour iso-chill armourvent strech fit 1383438 002 & nbsp; male hat with canopy under armour will check M canopian. Fast drying, flexible fabric with technology armourvent & trade; contributes to better breathability. band anti-up ISO-chill helps distracted elevated elevated body temperature body. cap design Potted yes, that cools head, escorting excess heat through special ventilation holes, KT & oacute; re release hot air, but are so much small, that solar rays solar will not will will go get go d d o center and cause discomfort. & nbsp; technical data: & middot; material: 100% polyester & nbsp; district; D head: & middot; s/m: 53-55 cm & middot; m/l: 56-58 cm & middot; l/xl: 59-62 cm & middot; xl/xxl: 63-65 cm & nbsp;