Sarken Crampon – The Equipment Shop at American Alpine Institute
Petzl Sarken Crampon | Active Junky
Amazon.com : PETZL Irvis Hybrid Crampons with Steel Front Section and Aluminium Heel Universal Leverlock System, for Ski Touring and Glacier Travel, One Size : Sports & Outdoors
Petzl - Sarken – Dick's Climbing
SARKEN, Technical mountaineering crampons - Petzl USA