From The North Face, the Women's Altamesa 300 Trail Runners feature: Lightweight, seamless, engineered-mesh upper made with recycled material Comfort-focused fit in the toe box with increased space for the big and pinky toes Reinforced TPU toe cap and lace guides Padded collar and heel cup for added comfort and heel lockdown Reinforced internal heel counter for increased rear-foot stability Gear-inspired pull-tab webbing at heel for ease of entry Internal stability wings at the third eyelet for midfoot lockdown Lightweight and durable high-rebound midsole with 25 mm of cushioning at heel Dynamic stability zone at the forefoot is designed to provide added stability on the trail SKYCORE rock guard provides light and flexible rock protection below the forefoot Durable SURFACE CTRL rubber outsole is optimized for weight and versatility and is made with rubber from smallholder farmers committed to agroforestry principles and regenerative agricultural practices Grippy 4 mm lugs optimized for running on trail terrain Approx. 6 mm offset Approx. 8.82 oz./250 G weight Imported.