NEW WITH TAGS! ALO YOGA | ✨NEW✨ Performance District Trucker Hat in Bluestone. A good hat is hard to find—which is why we made the Performance District Trucker Hat. It’s made from a swishy, sweat-wicking performance fabric with a tall, structured crown and perforation in back for extra breathability. And thanks to the adjustable velcro strap, it fits every head, every time. One size fits most Swishy, stretch-infused performance fabric 86% Polyester, 14% Elastane