Here's my take on whisky glasses.
Nothing beats a heavy based crystal glass in your hand and it's even better with a big fancy ice ball, but that's horrible for fine single malt. It's great for mixed drink though and that's what I use them for.
I have Copita glasses, the one that Richard Patterson is using above, and Glencairn glasses. The Glencairn is a nice well finished glass. It has a short heavy base and also feels good in the hand, though it's a bit awkward to hold. The glass bowl is a bit thicker as well, which I appreciate. It noses and drinks well, and is my go to glass.
The Copita is the tulip shaped one with the stem. It's lighter and more fragile, but it's taller and the bowl is a bit different. It also has a slightly larger opening. It's not much larger, but it makes it easier to get your nose in there to really get into the bouquet. I've had several, as they're more fragile. They also are thinner and sadly not as well finished overall. I am going to order a new set and hope that they are nicer than the ones I've had. One other advantage it has is the stem. It makes it easier to hold and it's the glass of choice for all of the festivals I've attended. I use it to try all my new purchases or if I'm showcasing a new whisky to a friend. I think it's a better whisky glass. Eventually I will find one that's supremely finished and a bit thicker and buy a lifetime supply.
If you want to pick up whisky drinking as a hobby, invest in some good glasses. They really do make a difference. A set of 4 Glencairn glasses is only about $40. They're a good sturdy quality glass that won't do you wrong.
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Il Destriero