Keen Terradora Flex Textile Synthetic Women's Low top TrainersWith a fit that mimics the curves of your foot, Terradora Flex then gives it the traction, padding, and security you require to log additional trail miles with friends. KEEN BELLOWS brought everything to a close. Every stride is made simpler with the forefoot's FLEX technology. No matter the terrain, these lace up trainers will let you enjoy the outdoors to the max. Premium mesh upper with durable TPU overlays. Breathable textile lining for comfort.