Hylo Athletics Unisex Impact | SAND – Paragon Sports。Used condition HyperBolt technology uses a nitrogen-injected, supercritical foam with bio-based EVA to create soft landings and a responsive take-off PureGlide™ geometry results from science-backed data and biomechanics, creating smooth transitions that maintain stability from heel to toe Medial sidewall enhances stability, adding a touch of guidance if needed 5 mm thick, molded insole adds immediate comfort at step-in Lightweight, knitted upper is made with 100% bio-based nylon derived from castor beans DWR upper coating works as a water-repellant and is supported by a corn-derived lining Outsole is made with 60% natural rubber, increasing traction and durability