What is the difference between the UGG Classic Mini and Ultra Mini?

Both are short pull-on sheepskin boots with the same Twinface suede, wool lining, and sole. The difference is shaft height: the Classic Mini stands about 5 inches and reaches the lower ankle, while the Ultra Mini is shorter at roughly 3.5 inches and stops at the ankle. The Ultra Mini slips on and off more easily; the Mini gives more coverage and warmth.

Do the UGG Classic Mini and Ultra Mini fit the same?

Yes. Both run true to size and come in whole sizes only. They feel snug when new, then the sheepskin lining packs out and loosens about half a size with wear. If you are between sizes, order down to the nearest whole size. Both are made to be worn barefoot or with thin socks.

Which is easier to put on, the Mini or the Ultra Mini?

The Ultra Mini, thanks to its lower 3.5-inch shaft, is the easier everyday slip-on. The taller Classic Mini holds the ankle a little more securely and covers more, which many people prefer in colder weather.

Which UGG Mini should I choose?

Choose the Ultra Mini for the lowest, sleekest profile and the easiest on-and-off. Choose the Classic Mini for a little more height, ankle coverage, and warmth. Either way, order your true size as a whole number and round down if you are between sizes.

UGG Classic Mini vs Ultra Mini: Which Should You Buy?

The Classic Mini and Classic Ultra Mini are UGG's two most popular ankle boots. They share the same genuine sheepskin, the same sole, and the same true-to-size fit. The real difference is height. Here is how to choose between them.

What is the difference between the Classic Mini and Ultra Mini?

Both are short, pull-on sheepskin boots in genuine Twinface suede, with the same plush wool lining and the same lightweight sole. The difference is the shaft height. The Classic Mini stands about 5 inches tall and reaches the lower ankle, while the Ultra Mini is shorter at roughly 3.5 inches and stops right at the ankle bone. The Ultra Mini's lower cut slips on and off more easily; the Mini gives a little more coverage and warmth.

What is the most popular UGG boot right now?

The Ultra Mini is the one everyone asks for — it has been the trend boot for several seasons and it is the style we get the most calls about once the weather turns. The Classic Mini is the perennial: less viral, never out of style, and the pick of people who have owned UGGs for years. Practically, popularity matters for one reason — stock. The Ultra Mini in core colors like Chestnut sells through earliest every fall, so if you know you want it, buy it before the cold snap rather than during it. The Classic boots guide compares the whole family, including the taller Short and Tall.

Are Ultra Mini UGGs comfortable?

Yes — identically comfortable to the Classic Mini, because underfoot they are the same boot: same sheepskin lining, same insole, same sole. What differs is the experience at the ankle. The Ultra Mini's low cut means nothing presses on the ankle bone, which some people love and colder-weather wearers miss. Two honest notes: like all classic UGGs, the footbed is soft and flat rather than arch-supportive — cozy, not corrective — and the snug first-week fit relaxes as the sheepskin packs out about a half size. If you want the UGG feel with actual arch support underneath, that trade-off is exactly what our UGG vs Birkenstock Boston comparison is about.

Do Ultra Mini UGGs get easier to put on?

Noticeably, yes. A new Ultra Mini is the snuggest UGG to get into — the shaft is short, the opening is small, and fresh sheepskin is at full loft — so the first week can involve a genuine tug. As the wool packs down and the suede relaxes, entry gets easy and stays easy. Three tips from the fitting bench: use the heel loop instead of yanking the shaft, point your toes as you slide in, and resist the urge to size up just to make week one easier — an Ultra Mini that slips on effortlessly out of the box will be loose in a month.

Do the Classic Mini and Ultra Mini fit the same?

Yes. Both run true to size and come in whole sizes only. They feel snug when new, then the sheepskin lining packs out and molds to your foot, usually loosening about half a size with wear. If you are between sizes, order down to the nearest whole size. Both are made to be worn barefoot or with thin socks. For more detail, see our UGG Classic Mini sizing guide.

Which is easier to wear?

The Ultra Mini is the easier everyday slip-on thanks to its lower shaft, which makes it quick to pull on for school runs, errands, and coffee. The Classic Mini's taller shaft holds the ankle a little more securely and covers more, which many people prefer in colder weather or with leggings tucked in.

Which one should I choose?

Pick the Ultra Mini for the lowest, sleekest profile and the easiest on-and-off.
Pick the Classic Mini for a little more height, ankle coverage, and warmth.
Either way, order your true size as a whole number, and round down if you are between sizes.
Both pair well with jeans, leggings, or dresses, and both come in core colors like Chestnut, Black, and Sand.

Which UGG boot should I buy?

Both are available at Feet Heart with free U.S. shipping and free 30-day returns:

Are these authentic UGG boots?

Yes. Feet Heart has been an authorized UGG retailer since 2003, with our Feet World stores in Culver City and at Westfield Santa Anita in Arcadia. Every pair is genuine UGG.

Need help deciding?

Not sure which height or size is right for you? Our fit team is happy to help. Call us at (310) 398-7497 or email info@feetheart.com and we will point you to the right pair.