Freight Sans is a sans-serif font. It goes well with Playfair Display, Harriet Display, Helvetica, Neuzeit Grotesk, SS Standard, SS Social, Freight Display, Georgia, Freight Monet and Lucida Grande. If you're thinking about using Freight Sans then try 14px for headers. Give 14px a shot for content.
People commonly tag it as sans serif, clean, classic, contrast, big, book, agency, art, gallery and print. You can get it from Fonts.com, Fontspring, MyFonts, Typekit and Webtype.