Stepping up from the Basics line is the Real Jane/Joe lineup. These suits are made with high quality neoprene and offer our patented Buoyancy Laminated Technology (BLT TM) for added flotation where it counts. - MAGLOCK - BLT - Buoyancy Laminated Technology provides more floatation with less thickness and rigidity. - T-shirt like collar design to maximize comfort across the neck. - Imported Yamamoto #39 Neoprene - YKK Zippers - Hydrophobic - Chlorine Resistant - SPF 50Rocket Science Sports