The CRESSI Isla 7mm Boots are a durable Nylon II neoprene dive boot with a built in fin strap holder, a ribbed and durable rubber sole for a comfortable and sure foot grip on slippery surfaces. To provide extra comfort and easy donning and doffing the neoprene rubber used is a super elastic neoprene. The 7mm thickness of boot provides toughness while maintaining warmth. Boots are equipped with strong and durable zippers and a toe and heel cap for added strength in high wear areas. All seams are glued and sewn and the boots top edge is elastic taped and sewn.