The mega popular UGG Tazz Slipper just got an upgrade and its already sold out in some sizes.

The new UGG Tazz Sunwave platform slipper features the iconic Tazz Platform Slipper look with an all new design consisting of stripes that resembles the sun.

The main color “Mustard Seed” is in available in sizes 5-12, but is sold out in sizes 8, 9, 10 and 11. However, an alternative black version of the slipper (found here) is also available, but is sold out in sizes 10, 11 and 12 as of Tuesday, Jan, 21.

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“A clog straight from our heart to your closet. The Tazz Sunwave celebrates UGG® heritage with our tonal Sun Logo Shape, genuine suede upper and always-cozy UGGplush™ interior,” UGG states.

“We decided to turn up the comfort with a padded collar and lightweight sugarcane EVA outsole. Perfect for WFH days or walkabouts, this indoor-outdoor slipper features a 1.75″ platform for a touch of height you can take anywhere.”

Those interested in the new UGG Tazz Sunwave platform slipper can checkout more details on UGG’s website here.