Spruce up your game-day look with the New Era Rays 950 EG Side Patch. Designed for loyal Tampa Bay Rays fans, this adjustable hat lets you chant and cheer at every hit in comfort and style. The soft cotton undervisor provides coverage and reduces glare. Make the most of your game-day experience with the New Era Rays 950 EG Side Patch. Crown/Visor & Button: 100% polyester; Undervisor: 100% cotton.