• NO-BULK - FLEECE-LINED COMFORT TOP: This soft, fleece-lined boy’s thermal top keeps you comfy and warm, without adding bulk to your cold-weather favorite outfits; in fact, satisfied customers say they’re so comfy that they won’t leave their house without them on cold winter days

• STOP ANNOYING BUNCHING & BINDING: Rocky thermals tops are perfect for wearing with bulky sweaters, jackets, ski-wear or even as cozy pajamas, because they’re crafted to stay put with a high quality spandex-based fabric, so no more worries about awkwardly bunching or binding - even with multiple layers

• STAY DRY WITH MOISTURE-WICKING FIBERS: These thermal underwear tops feature Rocky’s signature moisture-wicking fibers that put an end to embarrassing sweat stains; Plus, they end the constant itching common with old-school wool thermal underwear, which is why fans choose them for a dry and comfortable fit that lasts all day long

• MACHINE WASHABLE FOR EASY CLEANUP: While cheap waffle-knit thermals tend to fray and rip in washing machines, Rocky Thermal Underwear Tops are durable and machine washable, while still keeping a snug fit - so you don’t have to worry about awkward sagging (even with regular washing)

• THERMAL TOPS WITHOUT THE ‘SUFFOCATING’ FEELING: Check out the pictures and see how Rocky Thermal Underwear Tops are crafted for active boys with versatility and close-fit openings that keep the tops firmly in place - but without the ‘suffocating’ feeling that comes with cheap, poorly-fitted necklines.

• MATERIAL TYPE: 90% polyester and 10% spandex