FOUNDER. Crewneck Sweatshirt

Minimal Black Organic Oversized Pullover

Not every founder clears their head by taking a day off.

Sometimes it's a quiet walk. Sometimes it's a coffee. Sometimes it's simply putting on a sweatshirt, stepping outside for twenty minutes, and coming back with a clearer mind.

That's why this sweatshirt carries KEEP BUILDING. on the sleeve.

Not for everyone else to notice.

For you!

Every time your forearm rests on your desk, your keyboard, or your notebook, it's a quiet reminder that progress isn't built in one breakthrough—it comes from showing up again tomorrow.

Made from heavyweight organic cotton with a soft brushed interior, this oversized crewneck is designed to become the layer you reach for during early mornings, late nights, long planning sessions, and moments when you simply need to reset before getting back to work.

A small message from the founder of FOUNDER.

Keep building.

Product features

Oversized relaxed fit for a laidback silhouette

80% organic cotton, 20% recycled polyester blend

Soft brushed interior with premium 350 g/m² fabric weight

2×2 ribbed cuffs and hem for long-lasting shape retention

OCS and GOTS certified sustainable materials

Care instructions

Machine wash: cold (max 30C or 90F), gentle cycle

Do not bleach

Tumble dry: low heat

Iron, steam or dry: low heat

Do not dry-clean

Support the Lab

Every purchase helps fund independent AI commerce research through Atom Foundry, supporting new studies, open datasets, and future experiments.