Crafted from distinctive rich mahogany hide leather which looks great contrasted against a brassed finish lacing system. Boulder is a true classic with more features than ever. Sewn together with heavy duty stitching, reinforced with the famous V12 rivet at the stress point, airflow lining and extra underfoot absorption pods All V12 footwear exceeds the requirements of EN ISO 20345:2004. 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 and a 200 Joule Steel Toe Cap. Rated SBP. Sizes 5-13.