The Fira font family was designed to cover the legibility needs for a
large range of handsets varying in screen quality and rendering. It
comes in a Sans Serif with 4 weights (light, regular, medium and bold)
all accompanied by italic styles. The package also includes a Mono
Spaced variant with 2 weights (regular and bold).

Available formats: Open Type, True Type

WWW: http://mozilla.github.io/Fira/