Mavic cosmic ulti shoe covermavic has created a three season shoe cover in the cosmic ulti open mesh ventilation is excellent in the summer when you really want your feet to breathe however this isnt a feature you would seek in autumnal conditions to get the best of both worlds mavic has employed a special windproof membrane alongside the softshell construction so you can wear the cosmic ulti shoe cover in autumn spring and summer featuring an ergo tab and tpu reinforcements these shoe