On Mens Cloudmonster 2 PAF ShoesMoondust Chalk White ON Trail Running Sneakers Minimal upper design The upper material is similar to our fastest race shoes, like the Cloudboom Echo. The organic lines are taken from the Zurich landscape, with the asymmetric mesh cutout representing the citys local Limmat river. Maximum cushioning New dual density foam construction maximizes cushioning. The Bounce board foam insert in the forefoot assures an even softer cushioning sensation and impact