FREEMAX neoprene on body & legs with HYPERSTRETCH 3.0 on arms Flatlock stitched seams - soft, flexible and durable Back zip entry with YKK® #10 plastic zip Hydrowrap completely adjustable neck closure system for a watertight seal 83% Nylon, 17% Elastane Product Code: ERGW503008-MPC0- Compare prices from: Roxy in Baby & Children's Shoes