Columbia Men's Techsun Vent Lightweight Fashion Sandals Synthetic Rubber sole Lightweight and comfortable, this 2-strap camo sandal has ports built into the midsole to drain water quickly and promote airflow making them the ideal choice for active days in warm weather Adjustable straps lock feet securely into place and the high-traction rubber outsole provides great grip over a variety of surfaces Synthetic upper with hook and loop closure straps