Skip to content

Shop our latest arrivals!

Welcome to ERGX Theory Apparel Co

Home
Catalog
Contact

ERGX Theory

Theory 001 - Existence

Theory 002 - Relatedness

Theory 003 - Growth

Account

Theory 003 — Growth

The evolution. Pieces for those always in motion — reaching, becoming, never standing still.

Skip to results list

Active filters:

2 items

Sort

Sort Most relevant

Featured

Most relevant

Best selling

Alphabetically, A-Z

Alphabetically, Z-A

Price, low to high

Price, high to low

Date, old to new

Date, new to old

Column grid

Column grid

Filter

Active filters:

Sort

Sort Most relevant

Featured

Most relevant

Best selling

Alphabetically, A-Z

Alphabetically, Z-A

Price, low to high

Price, high to low

Date, old to new

Date, new to old

ERGX “Theory in Motion” Long Sleeve Tee Dark

ERGX “Theory in Motion” Long Sleeve Tee Dark

$29.99
ERGX “Theory in Motion” Long Sleeve Tee Light

ERGX “Theory in Motion” Long Sleeve Tee Light

$29.99

Join our email list

Get exclusive deals and early access to new products.

Email

© 2026 ERGX Theory, Powered by Shopify

Privacy policy
Refund policy
Terms of service
Shipping policy
Legal notice
Contact information

Your cart is empty

Have an account? Log in to check out faster.

Continue shopping

Search

Search

Products

ERGX Barrel Sweatpants Black

ERGX Barrel Sweatpants Black

$42.99
ERGX Barrel Sweatpants Grey

ERGX Barrel Sweatpants Grey

$42.99
ERGX Cotton Shorts

ERGX Cotton Shorts

$29.99
ERGX Star Graphic Tee Dark

ERGX Star Graphic Tee Dark

$24.99