Wish caps would be more comfortable when wearing a ponytail The Columbia PFG Ponytail Ball Cap for Ladies has a larger opening in the back to comfortably accommodate a variety of hairstyles through the adjustable back closure. No more annoying tugs and pulls from the cap when you turn your head! Omni-Shield advanced repellency sheds light moisture for quick-drying performance. 89% nylon/11% elastane shell fabric boasts Omni-Shade UPF 50+ sun protection. One size fits most. Imported. 89% nylon/11% elastane shell Larger opening in the back for ponytails Adjustable back closure Omni-Shield advanced repellency Omni-Shade UPF 50 sun protection