

Sierra thermal jacket
£2.99
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.
- Description
- Size Guide
- Specs & Materials
- 📏 Size Guide
- Additional information
- Reviews (0)
Description
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.

| size | chest(in.) | waist(in.) | hips(in.) |
|---|---|---|---|
| XS | 34-36 | 27-29 | 34.5-36.5 |
| S | 36-38 | 29-31 | 36.5-38.5 |
| M | 38-40 | 31-33 | 38.5-40.5 |
| L | 40-42 | 33-36 | 40.5-43.5 |
| XL | 42-45 | 36-40 | 43.5-47.5 |
| XXL | 45-48 | 40-44 | 47.5-51.5 |
Need help with sizing?
- Measure across the chest at the widest point (under armpits, flat against your body)
- For length, measure from the highest shoulder point straight down to the hem
- For trouser leg, measure from inseam to the desired hem
- If between sizes, size up for comfort or down for fitted look
Most workwear runs to UK standard sizes. We can't accept returns on embroidered or customised items, so please measure carefully before ordering — or contact us for a sizing sample first.
Additional information
| Colour | Black, Granite, Navy |
|---|---|
| Size | S, M, L, XL, 2XL, 3XL, 4XL, 5XL |
| Brand | Stormtech |
| Fabric Description | 100% Polyester pongee. Lining: 100% Polyester |
| Weight | 90gsm |
| FabricFilter | Polyester (100%) |
| Accreditations | WRAP,Oeko-Tex Standard 100 |
| Washing Instructions | 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. |
| Gender | Male |
| Organic | No |
| TagInformation | Tear-away |
| AgeGroup | Adult |
| Primary_Colour | Black, Blue, Grey |
| Colour_Shade | Black – Black, Blue – Navy, Grey – Dark Grey |
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