The La Sportiva Jackal II women's mountain running shoes are ideal for ultra-distance trail running and medium-distance training thanks to the exceptional cushioning guaranteed by the innovative Infinitoo™ technology with high energy return. * upper: sandwich mesh (toe and tongue) + thermo-adhesive TPU reinforcements + mono-tip nylon side panels + Lycra® cuff * weight approx. 275 g (half pair) * drop: 7 mm * lining: abrasion-resistant microfiber * ergonomic Ortholite insole ® * innovative EVA outsole/midsole with internal shock-absorbing polyurethane pads with high return energy thanks to Infinitoo™ technology * front insole increases cushioning while rear insole contributes to stabilizing the run * outsole: FriXion® Red dual compound with lateral IBS lugs * soft, stretchy tongue provides comfort for maximum freedom of movement * internal bellows construction provides protection from stones and mud * lacing loops are integrated directly into the side panels of the upper: a solution that facilitates volume adjustment during long distance running where the foot tends to swell * side mesh promotes ventilation and climate comfort * lightweight, shock-resistant, thermoformed toe box contributes to the overall lightness and protection of the shoe * comfortable, wide fit designed for ultramarathons * running shoes, trekking shoes, sports shoes, running shoes, running shoes