Great Deals on summer styles and our fan favorite MTF4000.
Sale price will be automatically applied at checkout.
Meet your new cold-weather MVP: the MTF4000 Base Layer Top. Made from softly sanded polyester with a hint of spandex, it feels like cotton and delivers just the right amount of warmth—perfect for layering or rocking solo. Thanks to Moisture Transfer Fibers, it wicks sweat away so you stay dry and comfy through every move. Plus, with UPF 30+ sun protection, it’s ready for bright days too. Flat seams and a snug cut mean no chafing—only serious coziness and style from the base layer up.
Features:
Best For: Sunny, chilly days for sun protection, cold-weather hikes and camping, outdoor workouts and training


Machine wash separately on cold with like colors. Tumble dry low.
Do not use bleach or fabric softeners. Do not iron.
Wash before wearing. Wash between uses.
Meet your new cold-weather MVP: the MTF4000 Base Layer Top. Made from softly sanded polyester with a hint of spandex, it feels like cotton and delivers just the right amount of warmth—perfect for layering or rocking solo. Thanks to Moisture Transfer Fibers, it wicks sweat away so you stay dry and comfy through every move. Plus, with UPF 30+ sun protection, it’s ready for bright days too. Flat seams and a snug cut mean no chafing—only serious coziness and style from the base layer up.
Features:
Best For: Sunny, chilly days for sun protection, cold-weather hikes and camping, outdoor workouts and training


Machine wash separately on cold with like colors. Tumble dry low.
Do not use bleach or fabric softeners. Do not iron.
Wash before wearing. Wash between uses.