Rip Curl Wetsuits - Rip Curl Omega 2mm Back Zip Shorty Wetsuit - Blue :: Men > Wetsuits. Hydro-Loc Collar: Adjustable collar to seal the neck and prevent water\n flushesFreeflex Neoprene Arm Panels: A new generation of high stretch neoprene.\n More stretch for less effortFull Back Zip: For easy entry with durable zip and cord attachmentUltralight Neoprene: Highly flexible and lightweightPlease Note: Unfortunately we are unable to ship this product to AustraliaFlatlock Stitching: Prevents skin chafing. highly flexible and allows\n water entry to regulate temperature Size: X-Small.