SKI PANTS SIZE: Please refer to the size chart in the picture or product description before ordering, or contact our customer service to select the right size. MATERIAL: The men's snowboard pants are made of waterproof and durable fabric, breathable lining, filled with high quality silk floss. Makes you feel flexible and comfortable while skiing or snowboarding. SNOW PANTS DETAILS: Detachable and adjustable elastic straps, adjustable waist for better fit; the zipped inner thigh openings for when you need to circulate cold air; inner elastic cuffs and outer expandable zipper at the bottom of the ski pants. KEEP WARM: It's a heavy ski pants and work well in very cold temperatures. The snow pants are comfortable and the insulation kept you warm while skiing or snowboarding. OCCASIONS: Men's winter warm snow pants bibs are perfect for skiing, snowboarding, snowmobile, camping, hiking, hockey and other winter outdoor activities.