Redwing 3240 - 8 inch Waterproof Boot with a Steel Toe Cap, with a Puncture Resistant Insole. The BOA clousure system allows for quick release.The Outsole is a non slip Rubber / PU Black : It also has a Defind 90 Degrees Heel : CONSTRUCTION: Direct Attached. Certified to - EN ISO 20345:2011 SBH A E PFO SRA HRO WR