Ultralight Neoprene: Highly flexible and lightweight; Freeflex Neoprene Arm Panels: A new generation of high stretch neoprene. More stretch for less effort; Hydro-Loc Collar: Adjustable collar to seal the neck and prevent water flushes; Flatlock Stitching: Prevents skin chafing, highly flexible and allows water entry to regulate temperature; Full Back Zip: For easy entry with durable zip and cord attachment; Please Note: Unfortunately we are unable to ship this product to Australia; :: Men > Wetsuits Size: Small,X-Small,Large,X-Large.