PETZL - HIRUNDOS, High-End Climbing Harness, Medium TESTED TECHNOLOGY: The HIRUNDOS' clean design of the FUSEFRAME Technology construction offers excellent weight distribution and minimizes pressure points. OPTIMIZED COMFORT: No compression points or friction zones on the waist belt because there are no crossing seams. Fabric is fused with the foam for better weight-bearing over the entire harness. MOVE WITH FREEDOM: Featuring very flexible leg loop attachment bridges for more comfortable walking and climbing, plus fitted elastic leg loops give complete freedom of movement. EASY ADJUSTMENT: Features a DoubleBack HD buckle in forged aluminum with a slim, rounded design that offers good grip and fluid glide of the webbing for easy and quick adjustment and tightening of the waist belt. FULLY EQUIPPED: Reinforced tie-in points for improved resistance to wear from rope friction. Eco-designed harness, incorporating textiles that meet the strictest environmental standards.