FSI AVENGER MEN'S 8"" HAMMER WORK BOOT (7577).The Avenger A7577 Men's Work Boots have all you need to stay comfortable and protected.The boots are also Electrical Hazard rated to provide protection from open circuits.The men's boots are made from full grain leather with waterproof membrane direct attach flex welt construction.1000 grams Thinsulate insulation keeps you warm on the coldest days.The flex welt construction ensures that you have a durable boot while the waterproof membrane construction ensures that your feet stay dry.Oil and super slip resistant outsole combined with a carbon nanofiber composite safety toe and the lenzi puncture resistant plate provides you with the protection you need on the job.DISTINCTIVE FEATURES: - Full-Grain Crazy Horse Leather Upper; - Super Lightweight Carbon Nanofiber Composite Safety Toe Cap; - Removable Dual Density PU Insole with Extra Cushioning for Added Comfort; - Abrasion Resistant Bumper Toe for Strength; - Oil- and Slip-Resistant Nitrile Rubber Outsole for Durability: Rubber Slip- and Oil-Resistant Outsole; - Flex-Welt Construction; - Waterproof Membrane Construction; - Flex-Welt Construction; - Lenzi Puncture Resistant Plate for Enhancbred Puncture Protection and Flexibility; - 1000 Grams Thinsulate Insulation for Maximum Warmth; - 90° Heel for Greater Safety; - Meets or Exceeds ASTM F2413-11 Impact/Compression and EH Ratings.AVENGER STANDS FOR: - Comfort and value in traditionally designed work boots, which you can wear every day, all day; - Large assortment with multiple widths and sizes for many levels of protection to fit your working needs; - Work Boots, that meet or even exceed all required ASTM specifications.When the going gets tough, the tough wear Avenger!