Stormtech Sierra thermal jacket – custom printed to order with your own logo, artwork or text. A practical, protective layer ideal for branded workwear and team kit. Printed in the UK with no minimum order: upload your design and we'll email a mockup to approve before we print.Engineered for high performance with reduced weight, the Sierra thermal jacket is the ideal layering piece for any outdoor adventure, providing lightweight thermal efficiency. It features Stormtech Thermal Shell™ insulation and a DWR (Durable Water Repellent) finish to keep you warm and dry while repelling wet weather. A full-length internal storm flap adds extra protection against the elements, while the quilted design ensures optimal heat retention without bulk. Built with feather-free insulation, this jacket provides sustainable warmth, with elasticised cuffs to help lock in heat, ensuring you’re ready for anything, whatever the weather.Features: STORMTECH Thermal Shell™ insulation Water-repellent finish High-performance windproof outer shell Internal full-length storm flap Elasticised cuffs Adjustable hem Zipped handwarmer pockets Decoration access Product details: Material: 100% Polyester pongee. Lining: 100% Polyester Weight: 90gsm Country of origin: Cambodia Accreditations: WRAP, Oeko-Tex Standard 100 Size guide Size To fit chest (inches) S 35/38 M 38/41 L 41/44 XL 44/47 2XL 47/50 3XL 50/53 4XL 53/56 5XL 56/59 Sizes are approximate and intended as a guide only.Washing & care: Machine wash cold. Gentle cycle with like colours. Do not use softeners. Do not bleach. Hang to dry. Do not iron. Do not iron decoration. Do not dry clean.How to customise your jacketPlease choose your print location and print size from the options below and upload your designs into the upload field. You will receive an email with a mockup of your order before printing.Need help? Contact us at [email protected].