Through extensive research between La Sportiva and BOA®, the Cyklon was designed for off-road technical terrain when you need precision, stability and synergy between your feet and the trail. The quick-lacing BOA® Fit System works with the Dynamic Cage™ Construction to give you the perfect fit and stability for uphill and downhill running. A shockproof TPU toe cap provides protection from unforeseen rocks and roots. The FriXion® XF 2.0 outsole is super sticky with impressive grip and aggressive lugs to provide traction on all types of terrain, while the dual-density Memlex EVA midsole provides lightweight cushioning and has co-molded medial and lateral stabilizing inserts to give you stability on the trail. Get ready to win the race in the La Sportiva Cyklon.