Alpinestars AMT-8 Stretch Drystar XF Pants. Stretch performance pants for unbeatable flexibility and premium comfort. Adventure touring fit with pre-curved legs and ergonomic knees. Long zippered, ventilation ports on the thighs provide a high level of cooling airflow when open, as they act as scoops to capture the air from the incoming airstream. Versatile Drystar® XF stretch liner is highly versatile and may be used as an inner windproof layer if worn under the pants, or as a waterproof layer to protect when worn over the pants. Category II EN 1621-1:2012 Level 2 Nucleon Plasma Pro armor on the hips and knees for effective impact protection. According to European statutory law the CE mark is a conformity requirement for the marketing of this product; standards apply: Fully CE-certified riding garment to CE - Category II EN17092-3: 2020 standard - AA Class.