Thermal Base & Mid Layer Overview
Superior warmth with minimal bulk. All fabrics used move moisture away from the body and work with wicking baselayers. The XT250 thermal baselayer system adopts fabric technology developed for NASA, provides exceptional warmth and complete freedom of movement due to its 4 way stretch feature.
Thermal Base & Mid Layer Features
- 4 Directional Stretch
- Fast Wicking
- Thermal
- Breathable
- Abrasion Resistant
Thermal Base & Mid Layer Size Guide
| Chest | Waist | Shoe Size | |||
|---|---|---|---|---|---|
| Size Range | Inches | Metric cm | Inches | Metric cm | UK Sizing |
| Small | 34-38 | 86-96 | 26-30 | 66-76 | 4-6 |
| Medium | 38-42 | 96-106 | 30-34 | 76-86 | 7-8 |
| Large | 42-46 | 106-116 | 34-38 | 86-96 | 9-10 |
| X Large | 46-50 | 116-126 | 38-42 | 96-106 | 11-12 |
| XX Large | 50-54 | 126-136 | 42-46 | 106-116 | 13-14 |
Products in the Range
All available in a wide range of colours, please contact us for more details on bespoke orders.

XT250 1/4 Zip Thermal Top

XT250 Thermal Vest

XT250 Thermal Leggings

Xt250 Thermal Socks

XT250 Balaclava

Full Face Balaclava

Thermal Beanie Hat

Bespoke Lightweight Layers
To Order Call: +44 (0)1326 241 404 or Email Us: tcs@fourthelement.com
Lightweight Base Layers
Fast wicking fabric keeps the wearer comfortable and free from the effects of perspiration.
Thermal Base & Mid Layers
Effective insulation against the cold with minimum bulk and increased freedom of movement.
Mid & Outer Layers
Weather protection garments using low bulk, thermal, breathable, wind and waterproof fabrics.
Submersion
Base-layers and undersuit systems for use under surface and full submersion drysuits
Fire Retardant Coveralls & Clothing
A variety of Coveralls including FR, Rip Stop and Petrol Repellent as well as FR undergarments.
Cooling Vests
Phase change & evaporative cooling vests for high temperature work environments.
Basic & Accessories
Non technical fabric garments; cotton T shirts and Polo Shirts etc. Hats socks and Gloves etc.
Bespoke
Bespoke clothing solutions designed by our team, to meet your technical requirements.
