Monster Truck Family Gifts for Kids and Adults. Monster Truck theme . Monster Truck Birthday Boys for Toddlers, Youth, Kids and Adults. Perfect for a Birthday party jam or Christmas Present for those that like Monster Trucks. Lightweight, Classic fit, Double-needle sleeve and bottom hem This unisex, modern black t-shirt features a crew neck and short sleeves, perfect for all seasons. The lightweight, non-stretchable fabric is 100% polyester, making it easy to care for with machine washing. Show off your love for monster trucks with the embroidered design, ideal for birthday parties or any casual occasion. Available in a standard, small size with a 14-inch neck and 19-inch sleeve length, this t-shirt is a must-have for monster truck fans and families alike.