The La Sportiva Jackal II BOA shoe is a high-performance model designed for very long distances. It features the scientifically tested PerformFit™ Wrap equipped with the BOA® Fit System, allowing for quick, easy, and precise support. The two BOA® dials located on the upper, combined with a double flap closure made of three layers of microfiber, provide perfect zoned support from the heel to the toe. This enhances stability and cushioning, even on the most rugged parts of ultra-trails.Innovative dual-density EVA outsole/midsole, one more cushioned and the other providing greater stability. With Infinitoo™ technology, two high energy-return polyurethane pads that absorb shocks.Dual Dial BOA® Fit System: maximum heel support and optimal volume adjustment at the frontThree-layer microfiber double flap closure for both support and flexibilityTechnical fit designed for long-distance performanceSpiyralFit tongue and collar construction in highly elastic multi-layer Ariaprène: protects again.....
