Our Arctic II Womens Thermal Fleece Lined Trousers are made with stretchy Isotherm fabric, and lined with fleece for extra warmth. With zipped pockets to keep your essentials safe on the trail. Warm & Cosy - Fabric feels soft on the skin and keeps you comfortable Fleece Lining - Extra warm, cosy and very comfortable Stretchy - Comfortable to wear and for full freedom of movement Lots of Pockets - Plenty of storage space to keep your belongings safe.