When the summer heat hits its peak, the urge to accessorize pretty much goes straight out the smartly open window. But extreme temperatures are exactly why hair accessories should stay on the docket: not only are the awesome to look at, they are also functional, by helping to keep your heat-trapping hair off your head. If you have short hair, they work to add a little something extra without adding a lot of bulk. Basically, they are the perfect summer accessory and exactly what you should be betting all your chips on. Here, we've rounded up 10 of the coolest (and most functional!) available on the market right now.