LAPSTONE AND HAMMER x ASICS GEL-Kayano 12.1, "The Spark." Philadelphia's Lapstone & Hammer has spent the better part of a decade building one of ASICS' most considered collaboration runs. Sam Pearce's shop approaches sneakers with a tailor's eye. The 12.1 is ASICS' reworking of the 2005 GEL-Kayano stability silhouette, recut as a lifestyle hybrid. The Spark is Lapstone's hand on it. Available now at Commonwealth Greenbelt and Rockwell.