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Designed for runners looking for plush cushion, a wider fit and higher volume, the Jackal II GTX trail-running shoes keep your feet steady and stoked for long runs through rough and technical terrain. The updated model maintains all the best aspects of the original Jackal GTX now with new eco-friendly upper materials, a new heel/tongue construction and enhanced breathability - all at a significant weight reduction from the first generation.
Ideal for Mountain Runners looking for a mid- to long-distance shoe for runs and races on more technical terrain and in inclement weather.
UPPER: Recycled Sandwich Mesh / Recycled Laces / Breathable Mono-burr Nylon inserts / No-Sew Thermo-adhesive TPU Reinforcements / TPU toe cap
LINING: Recycled Abrasion Resistant Mesh
MIDSOLE: Compression Molded EVA w/ Infinitoo™ PU inserts / 1.5mm Dual-Density Compressed EVA Rock-Guard
SOLE: FriXion® XT 2.0 w/ Impact Brake System™ / FLEX Inserts / 3.5mm lugs
CUSHIONING: EVA: 35A & 32A (heel/forefoot) / Infinitoo™ PU Inserts: 30A (heel/forefoot)
LAST • FIT: Tempo Ultra • Wide
Updates from the first Jackal version include: use of Recycled Mesh (forefoot, tongue & lining), new tongue construction for reduced weight, redesigned heel with new construction & materials, new lacing design for a higher level of forefoot volume adaptability.
Innovative combination in the midsole of Eva and Infinitoo™ PU inserts (10mm heel and 5mm forefoot) for the perfect balance of long-distance cushion and trail stability.
Frixion® XT 2.0 rubber compound for a balance of traction and durability.
Medial/lateral mono-burr mesh increases breathability for maximum ventilation and climate comfort.
La Sportiva shoes are built on European half sizes which are smaller increments than US half sizes. This gives us four extra sizes per size run, which gives you a better fit! MORE SIZES = BETTER FIT!
LA SPORTIVA FOOTWEAR SIZE CONVERSION CHART
And you thought buying a new car was tough... Getting the perfect fit in a pair of hiking boots is rarely as simple as relaying your size. Most good boot fitters will measure your foot on a Brannock device. Overall length is actually a minor element of boot fitting. In the ideal world, our left foot would be a mirror image of our right, while the ball of our foot would line up exactly with the last-maker's idea of the perfect foot. This is almost never the case because other factors such as heel to ball length, volume, and width are critical in gaining a perfect fit. A good salesperson will address each of these issues.
To use our size chart to fit mountain boots, find your American size then go across to your European size, and then add one half size. When trying on boots make sure to bring the socks you would normally wear and any orthotics or custom footbeds you use. Another note: our shoes are handmade, and you can experience minor variations in sizing from pair to pair in a given size. What you’re looking for is the size that holds your toes ever so slightly away from the front of the boot while the lacing system is snug across the top of your arch. To check the length, you should be able to slip one finger behind your heel when you are standing up with the boot unlaced and your toes touching the front. The fit across the top of your arch is the single most important factor. If the lacing system here does not hold your foot in place, the boot will not be stable on your foot while you walk. If the boot is too short, your toes will get smashed walking down hill. Too long and your heel will slide up and down and give you blisters. Be patient, ask questions and make sure you’ve got the right size and the right fit and the right boot before you hit the trail.