Performance starts with a smart base layer.

So we considered skin - the ultimate foundation - and engineered this undershirt to work right along with it.

Fit through Research

We take a research-based approach to fit, starting with a close look at anatomy and biomechanics and then utilizing technology like strain analysis to learn how clothing moves with the body.

Stays with you

Core is designed to fit the human body’s contours so that it functions as a second skin, responding to the odors, moisture, and movement it immediately contacts.

4-way stretch

We align 4-way stretch fibers with your body’s movement so you can bend and stretch in a slimmed-down silhouette without feeling restricted.

Simpler feels better

To reduce the extra bells and whistles that complicate fit, we forego pockets and unnecessary seams – because a truly good fit lies in a garment’s cut and fabric.

Size Chart & Fit Details

Function through Technology

We actively seek and develop the most advanced fabrics and manufacturing techniques. From fiber blends to precision cutting, every last detail in our production process plays a critical role in optimizing our garments’ capabilities – and we build, test, and improve continuously.

Featherlight foundation

Core is made of a lightweight, silky-smooth fabric that won’t bog you down.

Blended to perform

Coffee grounds are integrated into the fibers of the Core to absorb odor for ongoing freshness.

Capability in the details

Moisture-wicking fibers keep things light and cool.

Specifications

• Core Undershirt
• 4-way stretch fabric
• 100% coffee-infused polyester
• Breathable knit construction
• Coffee-infused fibers for odor control
• Silky-soft handfeel
• Made at MagicTex near Ho Chi Minh City, Vietnam
• 4 oz (size Medium)

Simple Wear and Care

We believe that clothing care should require the simplest, least resource-intensive process possible. For this reason, our products never require chemical dry cleaning, pressing, or ironing. From the time you put them on to when you take them off, they should look and feel 100% effortless.