Free patterns for sewing fleece slippers are available at SewingFreebies.com and SewPin.com. SewingFreebies.com hosts slipper patterns for beginners and a variety of slipper types such as fleece, summer, spa, tie-on, felt and ballerina.
Each pattern includes photos, a list of materials, instructions and user comments. The polar fleece pattern includes detailed measurements and is available for printing.
At SewPin.com, site visitors can find a fleece slipper pattern for toddlers, as well as a wide variety of different types of slipper patterns. Suggested fabrics for each pattern type include denim, fleece, flannel and knit. SewPin.com hosts more than 100 patterns in each category, as of 2015, with detailed instructions and user comments.