LS Jackal Boa Womens

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:

• 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
• Sandwich mesh upper in recycled material
• Lining in 100% recycled material
• 100% recycle lace
• Ortholite Hybrid Mountain Running Ergonomic 4mm footbed
• BOA Fit System components with recycle material

Specifications: 

• Weight: 270 g (half pair)
• Drop: 7 mm
• Heel: 29 mm
• Forefoot: 22 mm
• Lug Height: 3.5mm
• 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
• Fit: Technical

Details: 

• 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.