Upper: Dual-mesh upper provides added support, breathability and comfort Tongue features an internal arch strap for lightweight support Rolled-tongue top and heel-collar lining for ong-lasting comfort No-sew TPU on heel and forefoot provides added stability and flexibility and a natural lockdown fit Molded, no-sew TPU-film toe cap offers lightweight protection on the trail High Rebound OrthoLite® footbed provides ultimate comfort Sole Unit: Shock-absorbing XtraFoam™ midsole system 20 mm/14 mm heel/forefoot EVA underfoot 6 mm offset Proprietary ETS™ outsole traction system Great condition!