USB Heated Thermal Underwear Set
Men's Trousers, Black / XS
£94.95
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USB Heated Thermal Underwear Set
£94.95
Tax included.
- In stock
- Free Delivery
- 30-Day Easy Returns
- Friendly Customer Care
Women's size guide
| Size | UK dress size | Bust (cm) | Waist (cm) | Hips (cm) |
|---|---|---|---|---|
| XS | 6/8 | 78–82 | 60–64 | 85–89 |
| S | 8/10 | 82–87 | 64–69 | 89–94 |
| M | 10/12 | 87–92 | 69–74 | 94–99 |
| L | 12/14 | 92–97 | 74–79 | 99–104 |
| XL | 14/16 | 97–102 | 79–84 | 104–109 |
| 2XL | 16/18 | 102–109 | 84–91 | 109–116 |
| 3XL | 18/20 | 109–116 | 91–98 | 116–123 |
Men's size guide
| Size | Chest (cm) | Waist (cm) |
|---|---|---|
| XS | 86–91 | 71–76 |
| S | 91–96 | 76–81 |
| M | 96–101 | 81–86 |
| L | 101–106 | 86–91 |
| XL | 106–111 | 91–97 |
| 2XL | 111–117 | 97–102 |
| 3XL | 117–122 | 102–107 |
- These are body measurements in cm, not garment measurements. Measure around the fullest part of your chest/bust, your natural waist and the fullest part of your hips.
- Base layers are designed to sit close to the skin so the heat reaches you. For a looser feel, choose one size up.
- Use the women's table for Women's styles and the men's table for Men's styles.
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Size Guide
Women's size guide
| Size | UK dress size | Bust (cm) | Waist (cm) | Hips (cm) |
|---|---|---|---|---|
| XS | 6/8 | 78–82 | 60–64 | 85–89 |
| S | 8/10 | 82–87 | 64–69 | 89–94 |
| M | 10/12 | 87–92 | 69–74 | 94–99 |
| L | 12/14 | 92–97 | 74–79 | 99–104 |
| XL | 14/16 | 97–102 | 79–84 | 104–109 |
| 2XL | 16/18 | 102–109 | 84–91 | 109–116 |
| 3XL | 18/20 | 109–116 | 91–98 | 116–123 |
Men's size guide
| Size | Chest (cm) | Waist (cm) |
|---|---|---|
| XS | 86–91 | 71–76 |
| S | 91–96 | 76–81 |
| M | 96–101 | 81–86 |
| L | 101–106 | 86–91 |
| XL | 106–111 | 91–97 |
| 2XL | 111–117 | 97–102 |
| 3XL | 117–122 | 102–107 |
- These are body measurements in cm, not garment measurements. Measure around the fullest part of your chest/bust, your natural waist and the fullest part of your hips.
- Base layers are designed to sit close to the skin so the heat reaches you. For a looser feel, choose one size up.
- Use the women's table for Women's styles and the men's table for Men's styles.
Not sure which size to choose? Email support@ashbypine.com with your measurements and we'll help you pick (Mon–Fri 9:00–17:00 UK time, replies within 24 hours).
Description
The USB Heated Thermal Underwear Set is designed to keep you warm in the harshest winter conditions. Choose a long-sleeve top, elastic-waist trousers or the full set, each with integrated heating zones and three adjustable temperature settings, so you stay comfortable without the bulk. Ideal for skiing, hiking and other outdoor activities.
Key Features
- Multiple Heating Zones: Strategically placed to keep your core warm during winter activities.
- Three Temperature Settings: Easily adjustable heat output for personalised comfort.
- USB Powered: Conveniently recharge via any USB port, eliminating the need for batteries.
- Flatlock Stitched Seams: Designed to prevent chafing, ensuring comfort during extended wear.
- Slim Fit Silhouette: Layers seamlessly under jackets and base layers without bulk.
Specifications
- Type: Heated thermal top, trousers or full set, in men's and women's styles
- Collar: Crew neck
- Waistband: Elastic for comfort and fit
- Heating: USB powered with three temperature settings
- Heating Zones: Multiple zones for targeted warmth
- Seams: Flatlock stitched to prevent chafing
- Pockets: Zipped hip pocket on trousers
- Fit: Slim silhouette
- Colours: Heather grey and solid black
- Sizes: UK XS, S, M, L, XL, 2XL, 3XL
- Power Source: USB rechargeable
Shipping & Delivery
Free delivery on every order, with no minimum spend.
- Processing: within 3 working days
- Delivery: 2–4 working days after dispatch, 5–7 working days in total
- Tracking: you'll receive a tracking link by email as soon as your order ships
We deliver to the UK, Europe, the United States, Canada, Australia and New Zealand. See our full Shipping Policy for more details.