Ebbets Field Flannels is often associated with old school wool baseball hats. Since the fabric tends to get too uncomfortable for warmer weather, the cap experts have switched it up for spring. Specially made for Inventory are these cotton twill caps. The fabric is softer and lighter, and the cap is simple and free of branding. Available in navy or green, itâ€™s the perfect cap now that baseball season has started and the warm weather is here. Visit the Inventory Magazine website to purchase.