Rip Curl Mens Dawn Patrol 5/3mm Chest Zip Winter Wetsuit 2021 The Rip Curl 2021 Men\'s Dawn Patrol 5/3mm Chest Zip wetsuit offers performance and warmth features along with durability and great value. This wetsuit has many of the high end features you will find in our ultimate suits. The 2021 suit features E5 Neoprene and E5 Flash Lining for warmth, and the entire suits is glued and blindstitched with 3/4 seam taping for minimal water leakage.   Features E5 Neoprene - High stretch and lightweight.  30% more stretch compared to E4 E5 Flash Lining - on chest and back panels.  Warm, comfortable and dries fast. E5 Tape - Covering 3/4 of the wetsuit.  Strong and durable. GBS Construction - The entire suit ois glued and blindstitched.