Tops Tops Undershirts

Substantial enough to wear on its own, this incredibly soft tank is made with the same premium cotton as our bestselling tee.You'll find this tank fits really well when sized correctly, form fitting while not feeling tight. Premium Pima cotton delivers the soft, comfortable fabric you'd expect from Mack Weldon,...

Catch every breeze: Our lightest, most breathable undershirt is specifically designed to pull air in, push moisture out, and move with you.

Catch every breeze: Our lightest, most breathable undershirt is specifically designed to pull air in, push moisture out, and move with you.

Designed with New York summers in mind, our game-changing undershirt utilizes a smooth cotton micro mesh (plus stretch) for maximum breathability and comfort. This is a sweat-wicking essential that’s uniquely equipped to handle humidity—whether you’re wearing it to bed or under a button up. Impossibly light and airy (hence the name),...

Our lightest, most breathable undershirt, engineered to pull air in, push moisture out, and move with you. Includes 3 undershirts.Built from a premium nylon-spandex blend, the AIRKNIT™ moves with your body without riding up or bunching. Wear it under dress shirts, casual tees, or on its own. You'll get the...

Our lightest, most breathable undershirt, engineered to pull air in, push moisture out, and move with you. Includes 3 undershirts.Built from a premium nylon and spandex blend, AIRKNITˣ keeps you cool whether you're layering under dress shirts or wearing solo. The crew neck sits close without restricting, giving you a...

Our soft, signature 18-Hour Jersey fabric—in a stretch rib knit that won't lose its shape under your shirt. Includes 3 undershirts. Shop individual colors or build your own bundle.

Our classic undershirt in our insanely soft, signature 18-Hour Jersey fabric. Includes 3 undershirts.Shop individual colors or build your own bundle.

Our classic undershirt in our insanely soft, signature 18-Hour Jersey fabric. Includes 3 undershirts. Also available in singles.Shop individual colors or build your own bundle.You will get a fitted crew neck that sits clean under any shirt without bunching or riding up. The breathable Jersey fabric keeps you comfortable whether...

Our signature 18-Hour Jersey fabric, in a stretch rib knit that won't lose its shape under your shirt.

Our classic undershirt in our insanely soft, signature 18-Hour Jersey fabric.

Our classic undershirt in our insanely soft, signature 18-Hour Jersey fabric