Always read and follow the care instructions and any warnings on the garment label. And, follow the General Rules for washable fabric stain removal.
Use a soft eraser to remove what excess lead you can. But, be careful so you do not damage or stretch the fabric.
Spray the stain with a pretreatment product.
Rub the area with a heavy-duty liquid detergent. Rinse and launder.
There are also commericial pencil mark removers available in some quilt supply stores.
ZYIA - Item 882 - Black Light N Tight Hi-Rise Crop 17
Our most popular leggings. This high-performance design offers a firm compression that feels oh-so-supportive whether you plan to run a marathon or just run the day. The fitted design and high quality fabric contours to your shape & stay in place for a frictionless, effortlessly flattering look.
ZYIA - Item 1197 - Dark Gray Peak Zipper Jogger (Long) 31
Inspired by classic athletic warm-up pants, these joggers offer the super-smooth feel and performance of our four-way stretch legging fabric, but in the casual cut of a jogger. The elastic cuffs have stylish vertical zippers to make it easy to take off without removing your shoes.