The Estoc FIE Jacket is of superior construction from a Polypropylene - 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, Velcro closer at collar and waist. It exceeds the 800 Newton puncture test and is approved by the International Fencing Federation, F.I.E.