The Alpinestars A-Dura trousers are designed to protect you from the elements; the durable waterproof A-Dura trousers will be your best ally on wet and muddy trails. The waterproof membrane of the trousers provides strong protection against the elements, offering a high level of breathability and allowing you to perform at your best. The trousers feature a rachet closure system for a precise fit. They have two secure zip pockets for storing personal items and an elastic cuff for easy on and off. The durable 4-way stretch membrane of 3L provides protection against rain and mud (20k waterproof fabric). It has a durable water-repellent treatment (DWR) that is PFC-free. The DWR finish repels moisture, dirt, and debris. It features taped seams (15 mm sealed tape) to prevent water ingress in key critical areas and guaranteed waterproof resistance.