the sidi ergo 4 black shoes 2016 top is made of varnished microfiber and mesh nylon, lorica. the sole vent carbon sole, closing soft instep 3 closure system and tecno 3 system, contains a heel retention device. the upper in lorica, is a combination of the best microfiber components produced. this material is water-repellent, permeable to water, resistant to torn and external agents that may damage them. it has the air suction capacity. this model will give you the best softness and comfort that you need. its closure soft instep 3 closure system system is anatomically and padded. it is made with a soft material made of thermo to give you the comfort and performance. it distributes the pressure evenly in the arch of the foot. tecno 3 system system, will give you an optimal fit along all the shoe adapt to turn to toe personalized mind. his restraint system adjustable heel retention device, is a new technology for the heel cup, which improve the setting of the back of the shoe. at the same time press the top of the heel cup to give you the highest security on steep climbs. its reinforced heel will keep in position the foot preventing deformation of the shoe. their sole vent carbon sole is lighter, it contains an openings inserted in the front, when you keep them open will give you a ventilation optima, also you can ventilate or not if you do not wish. is sole ensure you maximum comfort and optimal power transfer the sole is reinforced, made with carbon fiber injected with nylon matrix. it is compatible with the majority of the pedals that currently exist. you will not need to use adapters. features: -manufactured road. -microfiber upper, repellent water part. -snap closure soft instep 3 closure system. -tecno system 3 system. -retention system adjustable heel retention device. -reinforced heel. -sole vent carbon sole.
Sidi Ergo 4 Road Shoe (40 Carbon Black) - B019OMCDKE