La Sportiva - Jackal II Boa

Mountain Running® shoe oriented towards performance over ULTRA-LONG distances. Sole package shared with Jackal II, shock-absorbing and equipped with Infinitoo® technology for less energy expenditure. Protective upper with a precise and enveloping fit, capable of ensuring stability even on the most technical sections of an Ultra-Marathon. Double BOA® wheel for quick and perfect volume adjustment even when running.
The Sportiva Jackal II BOA is a high-performance mountain running shoe for very long distances. It features the scientifically tested and proven PerformFit™ Wrap and the BOA® Fit System for a quick, effortless precision fit. Two BOA® wheels on the protective upper, combined with a double 3-layer microfiber closure tab, ensure perfect adjustment on each area of ​​the foot for maximum heel hold. This increases stability and reduces contact impact on the more technical parts of an ultra-marathon course.