"What Our Gearhead® Experts Are Saying:""The Jackal II BOA Women’s shoe has completely changed how I approach long-distance trail runs. The double BOA system allows me to fine-tune my fit on the fly, and the Infinitoo midsole provides cushioning that keeps me going strong, mile after mile.""We lace up the La Sportiva Jackal II BOA Women's shoe when we’re ready to tackle the most grueling ultra-distance trails. Designed with comfort and precision in mind, this trail runner features the double BOA Fit System, allowing us to adjust both the heel and forefoot independently for a perfect, dialed-in fit. Beneath the surface, the Infinitoo cushioning technology absorbs impact while returning energy, so we can focus on the miles ahead rather than sore feet. The FriXion White outsole grips reliably on varied terrain, while the breathable and protective upper keeps us stable and secure, even on technical trails. Whether we’re aiming for a personal best or just soaking up the adventure, the Jackal II BOA delivers every step of the way."