WNXSPD Keen Women's Nxis Speed The faster you go, the farther you go, the more you'll see. That means more alpine meadows, more sunset views, and an extra-full camera roll. Cruise down muddy trails, hop across boulder fields, and slide through scree. Keen's lightest women's hiker to date with the KEEN famous fit and all-terrain tread, NXIS Speed is ready for whatever your A to B looks like.