The 2/1mm O'Neill Hammer Jacket keeps the chill off with 2mm neoprene in the chest/back and 1mm arms and underarms for extra flexibility. Made of 100% superstretch neoprene, this top will not bog you down! Features durable flatlock seams, and a boardshort connector. Great for all watersports, but check out the HYPERFREAK (#2942) if you need lot's of wind protection.
