The ultimate rigger now comes with a waterproof, breathable lining. The rugged heel support and padded ankle provide stability on rough terrain and helps maintain a perfect fit for all day comfort. These boots are lined with ThinsulateTM temperature control material; this outperforms fur by keeping the feet warm down to -20Â°C and is cool in warm climates, an all year rigger option. V12 soles are oil and abrasion resistant in accordance with CEN requirements and heat resistant to 300ÂºC for hot contact. All V12s contain a corrosion resistant, flexible steel midsole tested to nail penetration force of >1100N. Anti-Static. Rated S3. Sizes 6-12.