Dominate the rival fans just like the Milwaukee Brewers dominate their opponents on the field with the New Era Brewers 950 EG Side Patch. The premium-quality polyester fabric provides a lightweight and durable fit. Plus, the soft cotton undervisor offers protection from the elements and reduces glare. Upgrade your headwear rotation with the New Era Brewers 950 EG Side Patch. Crown/Visor & Button: 100% polyester; Undervisor: 100% cotton.