Keen WK400 Textile Women's Low Top Keen Yellow Black TrainersOur feet move in a steady arc while we walk, yet our shoes are mostly flat. The WK400 with KEEN. CURVETM technology fixes this. It's our first shoe designed from the ground up for active walking, with a distinctive rolling sensation and forward propulsion. The women's WK400 shoe makes walking more enjoyable, whether you're trekking the Coast Path, driving up to a viewpoint with friends, or commuting by foot. Performance mesh upper with durable TPU