The Joma Sima shoes are a very fast and light trail running shoe. Suitable for runners of low weight. Breathable and resistant jacquard upper with TPU inserts of the Flexishield system to protect the foot. A piece of foam and phylon is added to increase protection. The 100% elastic tongue and nylon linings with elastane provide a snug fit. The insole is made of pre-moulded EVA adjusted to the last of the foot and the midsole is made of 2 mm natural EVA stitched to the upper. The midsole is composed of a single piece of phylon Foam Reactive for cushioning, faster running and greater comfort. They incorporate Endoplate System: a rigid plate between the midsole and the forefoot sole that prevents torsion and stabilizes the footing on rough terrain. The sole is made of rubber, with DIN-60 abrasion, with front studs for uphill grip and rear studs for downhill grip.