Added warmth for those chilly days open water swimming, treat your head to the Gul GBS Neoprene Swim Cap. Glued and blind-stitched (GBS) to help stop water leaking in, high-grade 3mm neoprene enhances the overall comfort and warmth from cold water temperatures. A velcro chin strap delivers a perfect fit and can easily be adjusted when out in the water. Key features Glued and blind stitched (GBS) adjustable velcro chin strap high-grade 3mm neoprene for added warmth high-viz detailing