Merrell mens Mens Kahuna III Lightweight Suede Leather Walking Sandals Suede Rubber sole Suede Upper - Provides maximum comfort Hook and Loop Closure System - For quick adjustability Lycra Neoprene Lining - For padded comfort treated with Aegis antimicrobial solution External TPU Heel Stability Arm - Provides stability on rough, uneven terrain. Merrell Air Cushion in the Heel - Absorbs shock and adds stability