Karben Imelda Riding Hat Black. Ride with elegance and ease with the Karben Imelda Riding Hat. Designed with a low profile fit, the Imelda Riding Hat features a dial adjust fit at the back to encourage a secure and precise fit. With a smooth, one piece, hard outer shell for ultimate strength, the Imelda Hat offers seven sleek air vents for ultimate ventilation with removeable 3D mesh inserts for complete comfort whilst encouraging air to circulate around the helmet. With CoolDryâ ¢ memory foam headband for further comfort, the Imelda Riding Hat is complete with a removable soft anti-rub panel at the back, a fully adjustable 4-point harness and a removable anti-rub chin guard.