The new O´Neill Hyperfreak 5/4mm + CZ w/hood neoprene suit is completely sealed inside, and has a 5.5 and 4.5 mm thick neoprene to provide more warmth, this model has a built-in hood with the suit to protect your head from the cold.
It combines extreme elasticity with a very low weight, at a very competitive price. The new Technobutter 3 neoprene is amazing, you feel like you're in your pajamas, and the seams are sealed inside for durability and stretch.