Premium performance for an affordable price: It’s the simplicity that makes the 2023 ION Seek Core 5/4 Back Zip wetsuit the perfect allrounder. Stretch Hot Stuff inside lining cares for optimal heat retention in the most crucial areas while maintaining flexibility. On the back quick-drying Plasma Plush increases warmth & protection against wind chill. Reinforced stress points make the Seek Core a robust companion for your adventures. All Seek Core Back Zip wetsuits are equipped with a thin protective padding at the shins.