blksmith viking drinking helmet| funny sports cap| fits 16" - 24" head (silver) blksmith the blksmith viking helmet is funny and functional. drink in roman style at house parties, concerts, sports games, costume parties, college and fraternity events, and more. it also makes a great gag gift for any drinker. the cool cap has two can holders and allows you to guzzle drinks hands-free with its attached straw and stopper valve. the helmet is size adjustable for adults and fits heads that have a 16- to 24-inch circumference securely and comfortably. add to your shopping cart for your love of drinking and lots of laughs.