Rubber Outsole Provides Long Wear Durability And Slip Resistance EVA Heel Cup Provides Support, Secure Fit and Cushioning Leather Upper Provides Natural Comfort, Durability and Breathability Padded Collar Provides Cushioning, Comfort and Reduces Irritation truTech® Provides lightweight shock absorption Removable EVA and Memory Foam Footbed Provides Lightweight Impact Absorption Cushioning that Molds to the Foot Hydro-Shield® Waterproof Provides a Seam-Sealed Waterproof Construction using Waterproof Materials Rockport Tough Bucks Chukka