The Northwest Company Colorado Rockies 50x60 Fleece Blanket - Wicked Design Northwest Blankets and Throws These 50x60 fleece throw blankets are 100% polyester and are perfect for any diehard fan. The design features the teams logo printed big and bold against an attractive graphic background. This warm and stylish throw blanket is known for its rich saturated colors and exceptional durability and is machine washable! These blankets are packed rolled and feature a bellyband.