Coffee press

[BBob]

This is our favorite.

Pourigami™ Pour Over Coffee Maker – Portable Stainless Steel Coffee Dripper

Brew fresh single-cup coffee anywhere with the Pourigami™, an award-winning portable pour-over coffee dripper with easy-to-assemble stainless steel panels and a compact carrying case. Perfect for travel, camping, or daily coffee rituals.

www.miir.com

Slightly heavy but compact.

Another option along those lines: Soto spring filter holder thingy and a stainless filter from Amazon. Folks flat and compact.