Shell trousers in windproof, breathable functional fabric with taped seams and waterproof zips. Adjustable hook-and-loop tabs at the sides, a zip fly with press-studs, and zipped side pockets. Shaped legs with seams at the knees for optimum mobility and reinforced hems with snow flaps and reinforced elastic. Unlined. The trousers have a water-repellent coating without fluorocarbons.