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From a link posted by a member
Quote
TL; DR - condom company owner explains why girths > 5.5 inch don't fit in normal condoms
hi all, you might know me from /r/sex but I own a condom company. Through my work, I have learnt more about fitting latex to dicks than is healthy for a straight guy to know.
A couple of things about fitting condoms to big dicks:
Quote
TL; DR - condom company owner explains why girths > 5.5 inch don't fit in normal condoms
hi all, you might know me from /r/sex but I own a condom company. Through my work, I have learnt more about fitting latex to dicks than is healthy for a straight guy to know.
A couple of things about fitting condoms to big dicks:
- length is usually less of an issue. Because of some obscure rules (the ASTM in the US, the CE mark in Europe) all condoms have to be at least 170mm in length (nearly 7 inches), and most are actually closer to 8 inches. If length is an issue it's really obvious, because the condom doesn't roll all the way to the base of your shaft. A correctly fitting condom needs to roll all the way the base, ideally without any bunching. Truly big condoms are 9.5-10" long.
- width is much more critical to comfort/pleasure than length. It's also just as obvious when it's 'wrong'. Same obscure rules mean in the US, all condoms have to be 47-57mm at the opening. Most store bought are actually 49-54mm, including magnum/magnum XL which are both 54mm opening width but have fancy 'flares' at the tips and therefore allow them to use some spurious marketing claims about being extra large. In the UK, Durex XL condoms are 1mm wider than the normal Durex, while the XXL are 2mm wider.
- dick maths : if your circumference is 5.5" (138mm) or greater, you are not going to fit comfortably in ANY store bought condoms (max 57mm width as per the rules). Why? Well, 57mm * 2 gives you the latex circumference of the condom (it's multiply by 2, not pi) i.e. the 'circle' the condom makes when non-flat. So 57 * 2 = 114mm. Your circ minus 114mm gives the amount by which the latex has to stretch to fit your member. At 138mm that's 24mm of stretch - nearly an inch. That's the limit for a comfortable fit (because the stretching force is reciprocated onto your penis). Any more and you are going to experience serious tightness at the base of your shaft, which is where the nerves and blood vessels exit. This = bad.
- for girths larger than 5.5" here's the condom lay flat widths you'll need: 6", 60mm. 6.5", 64mm. 7" or greater, 69mm.
- if you fit comfortably in a magnum or magnum XL, it is unlikely you have a truly big dick. You may have a long dick, but it will have to be of relatively normal girth. A long AND thick dick i.e. BIG will need a much bigger condom than a magnum. If you still don't believe that, then here's the VP of marketing at Trojan, who make magnum, admitting as much in 2010: A Hip-Hop Contest to Promote a Brand - The New York Times "(the Magnum condom) is the same length as standard condoms, with the same circumference at its base" Mr. Daniels said. “Some people feel more comfortable with that width, but you don’t have to be an overly endowed man to use a Magnum and enjoy it,” he added.
- the biggest problem big dick guys have with condoms is that people, especially women (who last I checked don't have dicks), don't believe that it is a legitimate problem and instead dismiss it as bragging about dick size. "But latex stretches" they will shout - well, it does. In fact a condom will fit over your head.. but there is a world of difference between fitting, and fitting comfortably. As recently as 2010 nearly 50% of men asked complained that condoms did not fit - this means they are too big, or too small so it's not just guys bragging about their size. The solution is to make more sizes of condom available which happens to be the solution we use for everything where fitted comfort and therefore pleasure is critical.. shoes, pants, shirts... bras.....

