The heavy-duty prAna Union Belt fastens with a custom metal buckle that hides a bottle opener on its back. Heavy duty web belt with custom prAna metal buckle. Bottle opener on backside of buckle. Adjustable for a custom fit. 1.5 (3.8cm) wide. S/M - 45 (114cm) L/XL - 48 (122cm). 100% Recycled Polyester. Material: Recycled Polyester.