The Estoc FFE Jacket has premium construction from a Polyester - cotton blended fabric. Double stitched seams throughout. Lined with 100% cotton. Quick Clip groin strap, Elastic cuffs, Heavy duty zipper closer on non-weapon side, and Velcro closer at collar and waist. It Exceeds the 350 Newton puncture test and is approved by the French Fencing Federation, F.F.E.