If you haven't already spotted the trend dominating fall thus far, well, it's time to get to know heritage check. Having replaced the perennial denim jacket as our go-to outerwear, the subtly-printed fabric is no longer just for blazers and coats. These days, glen plaid is covering everything from skirts and tops to two-piece suits and trousers, thanks, in part, to Balenciaga's spring 2017 collection, where creative director Demna Gvasalia showcased gray check pieces deconstructed and in oversized proportions.