Mammut Zephir Altitude is an extremely light mountaineering and ski touring harness with a very small footprint! The single snap buckle allows you to put it on quickly and easily even when wearing skis or crampons. The waistband and leg loops are designed to be comfortable (even if you have a backpack) and the large openings make them very light and breathable.There are 2 loops for material and attachments for 4 carabiners for ice screws. The bag to take it with you on your high mountain adventures is included.