• 95% Polyester, 5% Spandex
• Machine Wash
• 【Model Size】X-Small. Modal age: 6, Height: 3.93ft, Weight: 46.2lbs. Pull on closure closure
• 【HEAT RETENTION FABRIC】Fleece thermal top for boys is designed for extra warmth and comfort. Made of 95% polyester 5% spandex blend skin-touch fabric, our boys thermal long sleeve T shirt in normal thickness is lightweight, keeps your kids warm without feeling bulky.
• 【GREAT MOISTURE WICKING】Designed for excellent breathability, these thermal underwear tops for kids wick moisture away to avoid any sticky feeling, keep children’s body dry and provide a comfortable fit during their winter outdoor activities.
• 【FOUR WAY STRETCHABLE】Stretchy fabric of long sleeve undershirt for boys offers free movement and flexibility under your kids’ outer styling. Kids will feel relaxed with these perfectly hidden long underwear thermal shirt.
• 【LONG UNDERWEAR FOR KIDS WARDROBE】 Classic thermal long underwear must be your little boys essential piece in this cold winter, a perfect thermal shirts under sweaters to meet different fashion. Also can be an ultra-soft pajama top for cold winter nights.