La sportiva Jackal II BOA trail running shoes

Tackle ultra-marathons with the performance-driven Jackal II Boa. Its revolutionary dual BOA® Fit System allows for quick, independent adjustments to the heel and forefoot, ensuring a perfect, secure fit on the fly. Experience superior cushioning and energy return from the Infinitoo® technology in the dual-density EVA midsole, providing stability on the most technical trails. The protective, sock-like upper offers a comfortable, enveloping fit while keeping debris out, so you can push your limits over any distance