For this project, you'll need two different pieces of fleece. Try getting one piece patterned with another in a matching solid color, use two complementary colors, or whatever fabric inspires you.
However, certain fabric compositions will leverage that ... Wise suggests "picking a fun color or patterned fleece and pairing it with wide leg jeans or trousers." For a more dressed-up version ...
The R1 Fleece uses the Polartec Power Grid material on the back, front and upper arm area, while the Capilene Thermal Weight baselayer fabric is used under the arms and the forearms. Capilene is more ...