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  • This midweight zip T-neck for kids offers natural stretch and breathability for stop-and-go activities or when temperatures fluctuate
  • 100% super-fine merino SmartWool works to help maintain comfort whether the climate is warm, cold or in-between
  • Mid-length front zipper allows ventilation control
  • Flatlock side seams prevent chafing
  • SmartWool is guaranteed not to itch and can be repeatedly washed and dried without shrinking
  • Easy care: machine wash and dry on cool temperature setting
  • Please note: product runs big to accommodate for growth and the 2 to 3% shrinkage in length during the first wash


View all SmartWool Kids' Long-Underwear Tops

REI membership


Best Use Multisport
Shirt Style Zip-front
Fabric Merino wool
Sleeve Length Long Sleeve
Gender Kids'

Size chart