La Sportiva - Jackal II Boa

The La Sportiva Jackal II BOA is a high-performance mountain running shoe for ultra-long distances. It features the scientifically tested and proven PerformFit™ Wrap and the BOA® Fit System for a quick and effortless precision fit. Two BOA® dials on the protective upper, combined with a double 3-layer microfiber closure tongue, ensure perfect adjustment across every area of ​​the foot for maximum heel hold. This increases stability and reduces impact on contact during the most technical sections of an ultramarathon.