Redwing 3278 - 9 inch Mahogany Leather Pull-On Waterproof Boot with a Non Metalic Toe Cap, with a Puncture Resistant Insole. The Outsole is a Non Slip, Non Marking, Chemical Resistance VIBRAM Galactic 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