Note, this is not a strictly a cag - it does not seal off at the arms & neck to keep water out at these points. It however is a windproof & waterproof top that works well with a wet suit ..
Looking for 45e, phone o876182287
http://www.polarbears.co.uk/acatalog/25601.html
"The NRS Endurance Jacket made from 2.5 layer HyproTex is hydro-phobic and super breathable giving you light weight protection against wind and spray. Waterproof and windproof; this splash top sets the standard at a great price. Soft and durable 2.5 layer HyproTex™ with its micro-porous, hydro-phobic qualities is waterproof and very breathable, keeping you dry and comfortable. Adjustable urethane neck and wrist closures help keep out water. Factory-taped seams keep water from sneaking through the stitching. Shoulder accessory pocket has a water-resistant zipper. Shock-cord waist tightens easily with a barrel-lock and won't ride up."