Rip Curl Youth 3/2mm Pro E-Bomb Chest Zip Suit Should fit snug, but not too tight 100% E3 Neoprene- The lightest, warmest and most flexible neoprene ever; The 3rd generation of Elastomax Super stretch Neoprene The purity of minimalism combined with the stretches rubber we can find E3+ stretch panels Chest zip entry 100% E3 Neoprene- The lightest, warmest and most flexible neoprene ever; The 3rd generation of Elasto-Max Super stretch Neoprene