Great for diving cold/moderate water temps. Heavy-duty zipper with wide gusset and low placement for easy entry Reinforced toe and heel cap Durable non-slip vulcanized soles Rubber reinforced hook-and-loop zipper stop tab Heel fin strap retainer The S-Flex Boots excel in cooler water temps and are built to be at home on rocky shorelines, sandy beaches or slippery boat decks. Heavy-duty zips with wide gussets and low zipper placement makes for easy entry. A reinforced toe and heel cap complemented by tough non-slip vulcanized soles ensure long- lasting durability.