First off, a pair of designs illustrated in marker and pencil on paper. As an exorcise in branding, I've worked Pumas branding into the construction. The two designs shared a color story, though one is distinctly more tongue in cheek. I worked through a couple of ideas for closures and settled on lacing for the trail runner. The yellow "cleats" I'm envisioning in a firmer material I'm calling a skeleton. Bottom drawings are still a WIP:
The trailosaurus uses a stretch fabric "sock" with a strap and pinch snap fastener. The aggressive cleats referencing teeth and bony protrusions on dinosaurs:
