Fire Resistant Full Grain 10" Leather Uppers - 2.8 mm one-piece vamp construction and seamless tongue increases durability and precision molds to each foot; Lightweight Mountaineering Design with true lace-to-toe construction provides maximum support, durability and all-day comfort; Hot Zone Kevlar Stitching and Laces ensure fireproof performance; Extra padded Soft Collars and flex notch design results in bolstered support and lasting comfort; Full-length 7mm tapered nylon midsoles keep you upright, anywhere; High density moldable foam and supportive footbeds stabilize your arch and heel; High traction and deep lugged K-73 Fire outsoles are fire resistant and have increased toe and heel taper for easy walking on any terrain; Meets NFPA 1977 Standard Requirements - Independent Laboratory tested for compliance with NFPA 1977; Standard on Protective Clothing and Equipment for Wildland Fire Fighting 2016 Edition; 4.2 lbs; Made in Italy