Fit & Design: Great for advanced trekkers, these provide performance tied to defined engineering concepts NORTHWAVE SPIN binding provides precision tension to most shoe sizes Aluminum Sawtooth frame with front and rear crampons provide stability Integrated heel lifts reduce calf strain on steep ascents Durable, lightweight aluminum trekking poles are adjustable from 26"-54" Ergonomic EVA grips and integrated wrist straps for easy holding Included snow baskets keep your trekking poles from sinking too deeply into the snow Rugged carry bag has a top closure to make storage a breeze