This no-nonsense wetsuit features a comfortable neckline as well as ankle and wrist openings designed to keep water out but come off easily in T1. Shoulder flexibility is not sacrificed at all while the 5mm thickness in the core and upper legs keeps the body in a natural swimming position. This suit is better designed and constructed than some that cost twice as much. - T-shirt like collar design to maximize comfort across the neck. - Imported Neoprene - YKK Zippers - Hydrophobic - Chlorine Resistant - SPF 50Rocket Science Sports