It's a testament to fatherly fashion that dads everywhere are finding their practical outerwear pieces appropriated (or straight-up stolen — sorry, pops!) by the streetwear scene in 2017. Once fixed firmly in the wardrobe of the weekend walker, half-zip sweatshirts are now being offered up by your favorite brands for a high-necked hit of '90s nostalgia. Done up or left open, this is a look that goes hard — here are ten of the best going…