Regatta Women's Highton Waterproof Trekking Overtrousers - Black - Available at M&S
These Regatta overtrousers will keep you warm and dry on outdoor adventures. They're made in a straight-leg fit from the brand's stretchy Isotex 10000 fabric which is water-resistant, windproof and breathable. A part-elasticated waistband and zip openings at the ankle make them easy to get on and off. Taped seams ensure they're fully waterproof, while two zipped pockets keep your belongings secure.