These ultraboost running shoes are a concentrate of comfort and reactivity. The Boost Intersuola offers an infinite energy return and is completed by the Linear Energy Push system and the Continental ™ rubber sole. The upper of this model is made using a high -performance recycled yarn that contains at least 50% of Parley Ocean Plastic, a material born from the creative reuse of plastic waste recovered on islands, beaches and coastal communities before they can reach the oceans