Personalized Blue Screw Loose Toddler Full Zip Hooded Jacket. Mechanical Engineers are brilliant. No one would ever remark that they had a screw loose somewhere! A subtly funny gift design in blue for birthdays, holidays and graduation. 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.