Syntheticrubber soleboostª's energy-returning propertiesclimachillª helps keep you cool with active 360-degree ventilation and quick-drying, micro-perforated Aerocool fabricBreathable and flexible adidas Primeknit upperSTRETCHWEB rubber outsole is lightweight and elastic, adapting to the ground for stability and working strategically to optimize the unique properties of boostª from touchdown to push-off