Rocky Men's 8" Eliminator Gore-Tex WProof Insulated Boot-FQ0081321 mesh Synthetic sole Shaft measures approximately 8" from arch 400 Grams of Thinsulate Insulation. Non-Metallic Stabilizer Aegis Microbe Shield Applied to Terra Suspension Footbed Eliminator 2.2 Comfort Last. Direct-Inject Construction Oil and Slip Resistant PU Outsole Provides Flexibility and Comfort