Condoms that you find in most Irish pharmacies are designed to fit the average penis size in Ireland: 5.1 inches when erect (hard). It is important that you know what size condom suits you. The condom should fit snugly around the base of the erect penis. If it is too tight, you need a wider fitting condom, if it is too loose, you need a slimmer fitting condom. Continue reading to find out more about which condom might suit you!