La Sportiva Jackal Ii Boa Trail Running Shoes White,Grey EU 39 1/2 Women

LA SPORTIVA brings you the new JACKAL II BOA TRAIL RUNNING SHOES for mountain running , which feature a BOA dynamic adjustment system that features two dials for quick adjustment, precise and customizable.The two dials divide their work by providing one adjustment in the heel and the other dial in the forefoot. It has a sock-like collar that keeps the elements out of the shoe.Its upper shell has Perform Fit technology that provides a soft, comfortable and tight fit to your feet. It has an EVA rubber midsole with polyurethane inserts that help give the shoes stability.Performance-Oriented Mountain Running® Shoe Over Ultra-Long Distances. Sole Package In Common With Jackal Ii, Cushioning And Equipped With Infi Nitoo® Technology For Less Energy Expenditure. Protective Upper With A Precise And Enveloping Fi T, Capable Of Ensuring Stability Even On The Most Technical Sections Of An Ultra-Marathon. Double Boa® Wheel For Quick And Perfect Volume Adjustment Even While Running. - Double Closure