Slab Square Joso 13 is a bold, normal width, high contrast, italic, normal x-height font.
Keywords: headlines, logos, posters, packaging, sports branding, retro, sporty, energetic, playful, punchy, grab attention, evoke speed, add texture, brand voice, slab serif, oblique, ink traps, notched, stenciled.
A heavy, oblique slab-serif with pronounced contrast and compact, squared-off serifs. Many strokes show deliberate cut-ins and step-like notches that create a segmented, stencil-adjacent feel, with flat terminals and occasional wedgey joins. Curves are broad and simplified, while horizontals and crossbars tend to be crisp and blocky; counters are moderately open, keeping the dense weight from collapsing. Spacing looks fairly tight and the slanted rhythm emphasizes forward motion, especially in mixed-case text.
Best suited to short, bold statements such as headlines, logos, event posters, and branded packaging where the notched detailing can be appreciated. It can work for brief pull quotes or subheads, but the segmented strokes may become visually busy in long passages or at small sizes.
The overall tone is fast and assertive, with a retro display character that reads like athletic or motorsport lettering. The notched construction adds a lively, engineered quirk that feels playful and attention-grabbing rather than formal.
The design appears intended to fuse a classic slab-serif foundation with an energetic, stylized construction, using oblique posture and carved-in notches to create motion and a distinctive brandable texture.
The distinctive internal cutouts and stepped edges become a defining texture at text sizes, where they read as intentional striping/segmentation across the letterforms. Numerals and capitals appear built for impact, favoring graphic silhouette over quiet readability.