Conforms to EN 20471 AND EN 343. The trousers have a three layer laminate and use the same eVent bi-component Direct Diffusion™ membrane technology that protects military organisations worldwide in the most extreme conditions, including the Arctic cold. Totally waterproof, completely windproof and highly durable, eVent fabrics will provide the best combination of high breathability and protection. Waterproof and breathable. Reflective tape. Elasticated waist. Side access pocket openings. Boot zipper access.