La Sportiva Jackal II Shoes Black YellowThe La Sportiva Jackal II shoes are version II of the model dedicated to the world of Ultra racing and long distance training, characterized by exceptional cushioning, thanks to the innovative Infinitoo high energy return technology.Weight: 275gDrop: 7mm The Jackal II is the model for the world of ultracompetition and long distance training.The La Sportiva Jackal II shoes are version II of the model dedicated to the world of Ultra racing and long distance training, characterized by exceptional cushioning, thanks to the innovative Infinitoo high energy return technology. New upper materials with Eco-Friendly contents and new constructions for the heel and tongue that ensure grip, wrap and breathability, significantly reducing their weight.
Characteristics:

• Upper: Sandwich mesh in recycled material
• Heat-adhesive TPU reinforcements
• Monocurved nylon side panels
• Lining: Abrasion resistant mesh in recycled material
• Insole: 4 mm Ergonomic Mountain Running Hybrid Ortholite
• Midsole: EVA with Infinitoo polyurethane
• High density EVA rock protector
• Additional internal cushioning platform
• Sole: FriXion Red dual compound with IBS side studs
• Comfortable and wide sole designed for use over long distances
• Innovative dual-density EVA midsole/outsole
• Net-Mesh side for maximum ventilation and climate comfort
• Sandwich mesh upper in recycled material
• Lining in 100% recycled material
• 100% recycled laces
• 4mm ergonomic Ortholite hybrid insole
• Heel: 29mm
• Tip: 22mm
• Drop: 7mm
• Stud height: 3.5 mm
• Weight: 275g

Technologies:

• Infinitoo: Exclusive technology that absorbs negative impacts on the ground and guarantees a return of energy never seen before, all together with the Rock-Guard Skin outer protective layer. The Infinitoo midsole maintains its original elasticity characteristics over time.
  
  
• OrthoLite Mountain Running (4 mm insole): Allows greater breathability and high comfort thanks to plantar ventilation, favors the elimination of sweat keeping the foot dry, allows longer duration over time thanks to a technology that prevents excessive compression of the shoe. material and has a washable antibacterial treatment for greater hygiene.
  
  
• FriXion Red: The La Sportiva FriXion sole compounds were created with the aim of creating a contact zone with different waterproofing and durability parameters depending on the type of use and soil on which the La Sportiva footwear is used. The Fricion Red Dual Mix Compound sole offers an optimal combination of grip, wear resistance and shock absorption. It is used in versatile dual compound soles.
  
  
• Impact Brake System: Innovative system that absorbs impact, increases traction and improves retention during braking. Conceived and developed by La Sportiva.