Developed Early In The 12th Century, The Great Helm Became The Mainstay Of The Medieval Fighting Man And Lasted For About 300 Years. Worn Over A Mail Coif And Padding, This Helm Has Menacing Narrow Eyeslits For Maximum Protection. This Helmet Is Crafted From 18 Gauge Steel And A Classic Style Of Medieval Helmets, One Of The Most Popular Versions Depicted And Worn. Keep Exploring Nagina International Armour & Helmet Range Exclusively On Our Store Front. The Great Helm Or Heaume, Also Called Pot Helm, Bucket Helm And Barrel Helm, Is A Helmet Of The High Middle Ages Which Arose In The Late Twelfth Century In The Context Of The Crusades And Remained In Use Until The Fourteenth Century. The Barreled Style Was Used By Knights In Most European Armies Between About 1220 To 1350 AD And Evolved Into The Frog-Mouth Helm To Be Primarily Used During Jousting Contests.