Waterproof Hydrafort 5000 polyester fabric with taped seams and a DWR (Durable Water Repellent) finish for all-weather protection | Rechargeable copper heating zone to regulate your temperature | Power Bank Battery Operated sold separately (This garment contains an internal heating installation. Applying a decoration to the garment can damage the installation. We therefore advise decorating this garment on the left chest (as worn) only. Regatta Ltd. take no responsibility for garments decorated against this advice and cannot guarantee such item) | Thermoguard 140gsm body insulation | Grown on insulated hood and storm cuffs for added weather protection | Inner mobile phone pocket & battery pocket | 1 Zipped Chest pocket & 2 zipped lower pockets | Concealed zip in lining for embroidery access and shock cord adjusters at face & hem | Reflective details front and back