Headsweats RACE Running Hat with Baseball Cap Styling knit Classic baseball caps style with superior running cap fit and super-light at less than 2 oz CoolMax fabric shell and terry sweatband keep you cool and dry whether you are on the golf course in a marathon or at a triathlon Adjustable buckle with ponytail opening means one size fits most adult heads Black undervisor reduces glare and the front panel is perfect for custom logo application Does not shrink and may be machine washed and air dried