The La Sportiva Jackal II BOA shoe is a high-performance model for very long distances. It features the scientifically tested PerformFit™ Wrap equipped with the BOA® Fit System for quick, easy, and precise support. The two BOA® discs located on the upper, combined with a double closure flap made of three layers of microfiber, ensure perfect zonal support from heel to toe.
This enhances stability and cushioning, even on the roughest parts of ultra-trails. Midsole compound: Infinitoo™, Compression EVA Outsole compound: FriXion® White Stack Height (mm) - Heel: 33 Stack Height (mm) - Forefoot: 26 Drop (mm): 7 Lug Height (mm): 3.5 Wide Fit: No Insole: R002 Ortholite Hybrid Mountain Running Ergonomic Lining: Abrasion resistant mesh in recycled material Midsole: EVA with Infinitoo™ Technology + rock-shield in high density EVA + additional internal cushioning platform Sole: FriXion® White with IBS Upper: Sandwich mesh in recycled material + thermo adhesive TPU reinforcements (like Jackal II) + Flap in multilayer microfiber + Ariaprene tongue and + Sandwich mesh upper in recycled material + EVA with Infinitoo™ technology + rock-shield in the high-density EVA midsole + FriXion® White outsole with Impact Break System