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.
Features:
- Lining: Mesh with high abrasion
resistance
- Footbed: Ortholite® Hybrid Mountain
Running®Ergonomic 4 mm
- Sole: FriXion® White with Impact Brake
System
- 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
- 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.
- Dual Dial BOA® Fit System: maximum heel
hold and optimal volume
adjustment on the front
- Double closure flap in 3-layer
microfibre to ensure tightness and
flexibility at the same time
- Technical Fit dedicated to long distance
performance
- SpiyralFit tongue and collar
construction in highly elastic multilayer
- Ariaprene: protects against impacts and
the entry of debris, ensuring
high breathability
Specifications:
- Weight: 270 g (half pair)
- Drop: 7 mm
- Heel: 29 mm
- Forefoot: 22 mm
- Lug Height: 3.5mm
Tech Information:
- Ultra Long Distance: Ideal for long
distance, ultra trail and ultra
marathon competitions or demanding training sessions. An
extremely protective and shock absorbing boot.
- ALL GROUNDS: Versatile soles, ideal for
all types of terrain including
stone, scree, grass, moss and mud. Ideal for running either in
high
humidity or on dry ground. Incorporates the Impact Brake
System.
- Ortholite Hybrid: Mountain Running -
performance oriented 4mm.
- Made using 20% recycled
material from the production process.
- Ecofriendly and washable, maximum wearing
comfort, enhanced
durability, keeps foot dry.
- Impact Brake System: The innovative
system is applied to the sole
to absorb negative ground impact, help traction and improve grip
downhill.
- Frixion White: Super sticky for high
performance mountain running.
(7.5/10 Grip 5.1/10 Hardwearing
- Infinitoo: Exclusive technology that
absorbs the negative impact with the
ground and guarantees a never seen before energy return. The
Infinitoo™
midsole maintains its original stretch features unaltered over
time.
BOA Fit System: The BOA® Fit System
delivers micro-adjustable, precision fit
engineered to perform in the toughest conditions:
- Agility and Speed
- Power and Precision
- Endurance and Health
- Durability and Quality