How to Style Sweatpants: 16+ Chic Sweatpants Outfit Ideas. Find out how to style sweatpants for a chic fall wardrobe with our guide to 16+ chic sweatpants outfit ideas. Whether you're after cute sweatpants outfits for school, baggy fits, street styles, baddie trends, or casual looks, we have the best black, grey, and cream sweatpants outfits. Casual outfits, fall outfits, chic outfits.