Personalized White Distressed Ruler Toddler Full Zip Hooded Jacket. I am the ruler in distressed white text with a ruler replacing the letter L in ruler is a funny gift design for mathematicians and mathh teachers at back to school, birthdays and holidays. 7.5 oz., 60/40 cotton/polyester. Jersey-lined double-needle hemmed hood. Pouch pockets for all their treasures. Coverstitched shoulders and armholes. Coverstitched rib waistband and cuffs.