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 powered by the BOA® Fit System for a fast, effortless precision fit. Two BOA® dials on the protective upper in combination with a double 3-layer microfiber closure flap ensure a perfect zonal adjustment across the foot for maximum heel hold. This increases stability and reduces landing impact in the most technical sections of an ultra-marathon.
Lining:
Gore-Tex® Invisible fit Bluesign® Certified
Footbed:
Ortholite® Hybrid Mountain Running® Ergonomic 4 mm
Sole:
Optimum grip FriXion® White with IBS side tread blocks
Upper:
Sandwich mesh (toe and tongue) + thermo-adhesive TPU reinforcements + side panels in mono-filament Nylon + collar in stretch jersey
Midsole:
EVA with Infinitoo™ Technology + rock-shield in high density EVA + additional internal cushioning platform
Insole:
Ortholite® Hybrid Mountain Running® Ergonomic 4 mm
WEIGHT:
300 gr (1/2 paio)
DROP:
7 mm
HEEL:
29 mm
FOREFOOT:
22 mm
LUGH HEIGHT:
3,5mm
+ Innovative dual density EVA sole / midsole package, one more cushioning and one capable of ensuring greater stability. It is equipped with Infinitoo ™ technology, two internal shock absorbing polyurethane pads with high energy return.
+ SpiyralFit tongue and collar construction in highly elastic multilayer Ariaprene: protects against impacts and the entry of debris, ensuring high breathability
+ Dual Dial BOA® Fit System: maximum heel hold and optimal volume adjustment on the front
+ Technical Fit dedicated to long distance performance
+ Double closure flap in 3-layer microfibre to ensure tightness and flexibility at the same time