Best Safety Boots for Cold Weather
Best safety boots for cold weather
CI on a safety boot means the sole complex has been tested for insulation against cold. Every pick here carries CI.
- CI-marked only
- 2022 edition
- Independent picks
How we picked
- Every pick carries the CI marking, per the manufacturer's certification.
- All certified to the 2022 edition of EN ISO 20345.
- Riggers and laced boots, with and without water resistance.
- Only products in stock on our site when we checked, in October 2026.
We are an independent retailer. These are our picks from what we stock, chosen on the certified markings each product carries. Always check your site rules and the product label before you buy.
Our picks
Each card shows the standard and markings from the manufacturer's certification data.
V12 VR690.01 Grizzly IGS Safety Rigger Boot
EN ISO 20345:2022 S3 · CI, HRO, SR. Cold-insulated rigger boot.
View productV12 V6816.01 Polar STS Safety Rigger Boot
EN ISO 20345:2022 S1P · CI, SR. Cold-insulated rigger boot with a puncture-resistant insert.
View productSafety Jogger Flow S3 Mid TLS
EN ISO 20345:2022+A1:2024 S3S · CI, ESD, FO, SC, SR. Cold insulated with a scuff cap and ESD.
View productSafety Jogger Winterbox Alaska
EN ISO 20345:2022+A1:2024 S3 · CI, FO, LG, SC, SR. Cold insulated with ladder grip.
View productSafety Jogger Winterbox Caldera
EN ISO 20345:2022+A1:2024 S7S · CI, ESD, FO, HI, HRO, LG, SC, SR. S7 means a water-resistant whole shoe, plus cold insulation.
View productSafety Jogger Winterbox Nordic
EN ISO 20345:2022+A1:2024 S3S · CI, FO, SR. Cold insulated S3S boot.
View productSafety Jogger Asama S3S Mid TLS
EN ISO 20345:2022+A1:2024 S3S · CI, ESD, FO, HI, HRO, SR. Cold and heat insulated sole.
View productSide by side
| Product | Certified to | Key markings | Good for |
|---|---|---|---|
| V12 VR690.01 Grizzly IGS Safety Rigger Boot | EN ISO 20345:2022 S3 | CI, HRO, SR | Rigger boot for cold sites |
| V12 V6816.01 Polar STS Safety Rigger Boot | EN ISO 20345:2022 S1P | CI, SR | Cold, dry yards |
| Safety Jogger Flow S3 Mid TLS | EN ISO 20345:2022+A1:2024 S3S | CI, ESD, FO, SC, SR | Winter site work |
| Safety Jogger Winterbox Alaska | EN ISO 20345:2022+A1:2024 S3 | CI, FO, LG, SC, SR | Cold outdoor work with ladders |
| Safety Jogger Winterbox Caldera | EN ISO 20345:2022+A1:2024 S7S | CI, ESD, FO, HI, HRO, LG, SC, SR | Wet and cold conditions |
| Safety Jogger Winterbox Nordic | EN ISO 20345:2022+A1:2024 S3S | CI, FO, SR | Cold storage and outdoor work |
| Safety Jogger Asama S3S Mid TLS | EN ISO 20345:2022+A1:2024 S3S | CI, ESD, FO, HI, HRO, SR | Mixed hot and cold work |
What to check before you buy
- CI covers the sole. For wet conditions, look for WR or S6/S7 too.
- Choose S3, S3S or S7S if you need a puncture-resistant insert.
- Check SR for slip resistance on icy, wet floors.
- Pair with thermal socks and layers. See our layering guide.
Frequently asked questions
What does CI mean on safety boots?
Cold insulation: the sole complex has been tested for insulation against cold.
Are rigger boots warmer?
Not by default. Look for the CI marking rather than the style.
What is S7?
A 2022-edition class: S3 plus a water-resistant whole shoe (WR).
More help choosing
Need winter boots for a team?
We can help with sizing across a crew. Get in touch with our team to discuss trade or team pricing. Call (028) 90 749 719 or email sales@theworkwearco.com.
Sources
Numbers in square brackets on this page refer to these sources. Standards and site rules change, so always check the current version and your own risk assessment.
- uvex safety, A simple guide to EN ISO 20345:2022 – https://www.uvex-safety.co.uk/en/knowledge/safety-standards/safety-footwear/guide-to-en-iso-203452022/
- Howsafe, Safety footwear standards (additional requirement codes) – https://www.howsafe.co.uk/footwear-standards
- Product certification data: the manufacturer declaration, datasheet or product page linked from our record for each product, checked October 2026 – https://www.theworkwearco.com/pages/certification-standards