The 621 trail runner brings style to the wilderness without sacrificing any function. The full-length N-FUSE® midsole combines responsive cushioning and firm support into one great package, so they're great for casual wear in addition to running.
N-FUSE® Midsole Technology joins together foam of two different densities. The top foam is less dense for soft cushioning, while the denser bottom foam provides support and compression set resistance.
Ghillie lacing system provides a custom, supportive fit
AT Tread® all-terrain outsole combines a running and trail lug configuration for on- and off-road use
Synthetic/Mesh upper provides lightweight comfort and support
N-Durance® rubber compound for maximum outsole durability