Portwest B121 Thermal layer Trouser (Long John's)
![](https://www.dublinworkwearcentre.com/home/wp-content/uploads/2017/01/852.png)
Thermal Trousers, Thermal Trousers Portwest B121 is the ideal undergarment for really cold conditions when you need an extra layer of insulation
![](https://www.firstlite.com/dw/image/v2/BHHW_PRD/on/demandware.static/-/Sites-meateater-master/default/dwaa3f1b3f/mens-kiln-zip-off-long-john/mens-kiln-zip-off-long-john_global_first-lite-fusion-unzipped.jpg?sw=800&sh=800)
Men's Kiln Zip Off Long John
![](http://teeone.co.uk/cdn/shop/collections/rg290_ls03_2023.jpg?v=1697553453)
Stay Warm with teeone's Thermal Bottoms
![](https://www.dublinworkwearcentre.com/home/wp-content/uploads/2018/07/PW3-Hi-Vis-Holster-Trouser-450x450.jpg)
Portwest S887 Multi-Pocket Trouser
![](https://aimeos-static-files-production.s3.eu-north-1.amazonaws.com/1.53.d/preview/6/b/6bdc0cb0_b121grr.webp)
Portwest B121NAR Thermal Trouser - Droppe
![](https://www.scottdirect.com/media/catalog/product/cache/da48e122f2eac115781069d39a8a4b96/p/o/portwest_fr18_flame_resistant_anti-static_balaclava.jpg)
Thermal Clothing - Workwear
![](https://northrock.com.sg/uploads/image/B121%20COMBINED.png)
Northrock Safety / thermal trouser singapore, thermal underwear, thermal underwear singapore, long johns
![](https://i5.walmartimages.com/asr/2278e23a-6960-4b35-89e8-8c7c04f66a58.252f291472e6af674942f2aaa2f3aca3.jpeg?odnHeight=612&odnWidth=612&odnBg=FFFFFF)
Avamo Men Leggings Solid Color Long Johns Elastic Waist Thermal Pant Extreme Cold Underwear Base Layer Bottoms Light Gray L
![](https://d11ak7fd9ypfb7.cloudfront.net/styles1100px/B173CHA.jpg)
Base Layers
![](https://cdn11.bigcommerce.com/s-q7ynwo8pel/images/stencil/300x300/products/12481/4708/rg288_ls02_2022__33740.1671175103.jpg?c=1)
Mens Customisable Thermals
![](https://www.totalworkwear.co.uk/user/products/large/Portwest-Thermal-Baselayer-Trousers---B121-1.jpg)
Portwest Thermal Baselayer Trousers - B121
Offering the same features as the Action Trouser, C887 comes with the addition of elastication at the waistband. This allows for even greater comfort
![](https://www.dublinworkwearcentre.com/home/wp-content/uploads/2016/12/Torjan-8T40-Tradesman-trouser.png)
Portwest S887 Multi-Pocket Trouser