The Billabong Youth Foil 5/4 Back Zip Wetsuit ws an excellent choice for a cold water wetsuit. Being a 5mm wetsuit this will keep you warm into the low 50's for most people, and some would even brave high 40's in this wetstuit. For the price this suit has a lot of bang for the buck.
Neoprene: AX2 Airlight Superflex Neoprene
Seams: GBS (Glued and Blind Stitched)
Zipper: Back Zip
Model Year: 2012/2013
Manufactures Part Number: BWFUVFB5
Sizing: Billabong Wetsuits Size Chart