Features: Flatlock: Seam construction X-Flex: 150% super stretch main body D-Flex: durable lower body panels Pro Neck: seam free neck seal Mesh: chest & back to prevent wind chill Powertex4: knees for flexibility & durability PK: Easy entry back zip system Non-petroleum based neoprene Summary The Gul Response range is the perfect combination of value for money and performance. Constructed using Flatlock seams and X-Flex super stretch panels for comfort with seam free seat construction. Featuring highly durable ‘Powertex4’ knees (except shorty styles) to ensure an increased lifespan. The Response wetsuit meets all the requirements for the all-around watersports enthusiast. Flatlock Neoprene is lapped together and then stitched, this creates a flat, flexible and comfortable seam. Flatlock stitching can be identified by a band of interlocked thread on both sides of the wetsuit, sometimes utilising a coloured thread for visual effect. X-Flex Neoprene 150% stretch neoprene is used in Gul's high performance wetsuits. The latest X-FLEX neoprene is 10% lighter, absorbs less water and has a softer, more comfortable feel. D-Flex 50% stretch neoprene. Flexible, warm, durable neoprene allowing you to perform for longer. Mesh Optimum core wind chill protection by absorbing solar heat and reducing evaporative cooling. Powertex Four way stretch high specification knee panels designed to resist the most harsh elements while providing maximum flexion and extension of the knee. PK Zip High quality zip in an easy-entry back zip system, perfect for summer wetsuits. Department: Paddle & Surf, Wetsuits, 3mm Men's Wetsuits, Mega Deals, Gul Wetsuits, Mens, Size: Large, Black, RE1321/C1BKBK/LT