Used about 6 times for mountain trips. The elastic in the waist feels a little stretched out. I think it's fine if you tighten it with the drawstring. Lightweight and highly insulating blue down pants. 710 fill power Feather weight: 120g Polish white down - Brand: NANGA - Color: Blue - Style: Down pants - Features: Lightweight, insulation - Waist: Elastic waistband Thank you for looking.