These base layer bottoms from Mountain Warehouse come in navy with a plain design and a pull-on fastening. The material blend combines acrylic, polyester, viscose and elastane for a flexible base layer option. Fabric technology includes heat retention and high warmth, with Isotherm construction. Moisture wicking and quick-dry properties help manage moisture during wear. Key features Material: 41% acrylic, 32% polyester, 19% viscose, 8% elastane Colour: navy Plain design Pull-on fastening Fabric technology: heat retention, high warmth, Isotherm Fabric technology: moisture wicking, quick dry Please note: Colours may appear slightly different in person than on your screen.