Personalized Coolest Mining Engineer Toddler Full Zip Hooded Jacket. A snowman holding a shovel and The world's coolest mining engineer text is a humorous gift design for college students and engineers on birthdays and winter 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.