The Body Glove Prime 3/2 EZ-Entry Slant Zip Wetsuits are constructed using High Performance super stretch EVOflex composite, a blend of materials that is Anatomically Cut, with microbead sealant and minimal seam design, to keep water out. The Prime is a SICK wetsuit, with seamless underarm paneling is used for ultimate comfort and flexibility, advanced Thermoplush insulation, and interior glideskin collar, wrists and ankle seals for added comfort, your going to stay warm… PERIOD.