The Epic has many of the same great features as our high-end wetsuits, including 100% UltraFlex neoprene, double seal neck closure, LSD (lumbar seamless design) and re-engineered covert blackout zip. Clean graphics and sharp style lines make the Epic the best value in the industry. Back Zip - Easy Entry Wind-Proof Smoothskin Minimal Seam Design Double Super Seal Collar Hand-Cuff Stitch Sleeve Anchor Krypto Armor Knee Padz Key Pocket with Loop Glued and Blindstitched Seams UltraFlex Neoprene FluidFlex Firewall | O'Neill Men's Epic 4/3mm Back Zip Full Wetsuit in Black, Size LT