The series of outdoor-ready “Flax” sneakers by Nike is branching out over several years, if you have ever owned a pair, you will treasure it. The trek-approved always-trending Nike Air Force 1 Low “Flax” uses the enduring choice of nubuck as its upper construction to keep it original, leaving the high-tech innovations to other silhouettes and to concentrate on the fundamentals.   - Nike Air Force 1 07 WB Flx/Wht - Nubuck upper - Encapsulated full-length Air cushioning - Rubber outsole