This is a really good product to wear all year round. It has elastic in two parts which means it fits most hat sizes. On the inside is a sticky rubber that grips onto the hat but will not damage velvet hats. The fluorescent EN1150 tape is 100% reflective and fluorescent. Wipe clean with a warm soapy cloth. One size fits most sizes and styles of riding hat. All reflective tape is 2" wide.