Arctic Hero Thermal Underwear Set Boys Waffle Knit Top and Long John Set Navy/Charcoal ~ 8/10 ~ New Get your little hero ready for any adventure with this Arctic Hero Thermal Underwear Set. The set includes a navy/charcoal colored waffle knit top and long johns, made from a comfortable cotton blend fabric with stretch features for added mobility. Perfect for machine washing, this set is easy to care for and will keep your child warm during any outdoor activity. The classic Hero theme and solid pattern make this set a must-have for any young boy's wardrobe. Available in size 8/10, this one pack set is a great addition to your child's clothing collection. Made in Bangladesh, this Arctic Hero Thermal Underwear Set is sure to provide comfort and warmth to your little hero all winter long!