Nike's Free technology debuted back in 2004 and still plays an important role in the Swoosh's running category. To celebrate a decade of Free, Nike's released a murdered-out "Genealogy of Free" pack that consists of six sneakers, including the coveted Free Run 2 model.

The sneaker that arguably kicked off the entire casual runner movement in the States returns in a monochromatic vibe. The Free Run 2s feature a black tonal upper constructed of mesh and synthetic overlays. There's an inner-sleeve that wraps around your foot for a snug fit and an unmistakable asymmetrical lacing system for added forefoot comfort. Underneath sits Nike's signature Free technology in cement grey with contrasting black speckles throughout.

Honor this running classic and pick up a pair on Nike.com/NikeLab for $115.

[via Nike]