Petzl - AVAO SIT, Seat Harness for Work Suspension leg loops equipped with self-locking DoubleBack buckles Wide, semi-rigid waistbelt and leg loops give excellent support. They are contoured and lined with breathable perforated foam for maximum comfort when suspended Waist belt: 70 - 110 cm Leg loop: 45 - 65 cm Weight: 1125 g