The Simplicity Pattern 8378 Misses' Knit Pants with Two Leg Widths & Options for Design Hacking-Size A (XXS-XS-S-M-L-XL-XXL) allows you to make knit pants in various styles. This pattern hack collection presents several options starting from basic shapes to easily help you sew unique pieces and build your perfect wardrobe. It's designed to work with stretch knit fabrics only.