Waterproof, breathable, and ultra-light, the Montane Minimus Smock is one of the first garments we have seen to incorporate Pertex Shield+. With a claimed waterproofness of 22,000mm and a breathability of 25,000g/m2/24hrs, Pertex Shield+ is approaching the performance of eVent at an incredibly light weight. The Minimus Smock pares down the features to a minimum: A half-length YKK Aqua Guard zipper (with an interior storm flap), a mesh lined front pocket and a hood round out the feature set bringing the weight to a feathery 5 oz (143g).

It is probably worth noting in this photo that the only size they had available for me to try on was a L, which is typically way to big on me.