








CREATED FROM NECESSITY.
FIELD-TESTED DESIGN
Fourth Line Co exists because it had to.
Clean lines. Functional design. Basewear that holds its own in demanding environments, without distraction or excess.
Field Kit Essentials
Hold The Line

BASE LAYER
Issued But Better Tee

Loadout Accessories
IV Morale Patches
Why Fourth Line Co?
Built by Women Who Show Up
Fourth Line Co is informed by lived experience; long days, real environments, and the quiet expectation to perform without fuss. Designed by women who do the work and expect their gear to keep up.
Strength, Without Spectacle
Function comes first. Clean lines, considered fit, and durable fabrics that hold their shape through movement, pressure, and repetition. No excess. No distraction.
Confident in Every Setting
Designed to move seamlessly between training, field, and off-duty hours. Basewear that feels composed, capable, and intentional, wherever the day takes you.

