uggs on sale in Your SizeSo, what size Ugg boots do you need? Well, buying Ugg boots is a bit like buying wellington boots or trainers – you often need a bigger size than you would normally take. This is just because of the way Ugg boots are manufactured and the materials that are used to construct them. The boots are designed to be worn barefoot, whereas you will probably be used to wearing socks or other foot coverings with your shoes. You need room for your foot to be comfortable. Ugg boots are generally a size bigger than your normal UK shoe size, so if you are a size UK 4 for example, you will need to try a size 5 ugg boots on sale. It's important that you know what size you need before you order – at Foot Asylum you can return Ugg boots to us if they don't fit you, but please try them on with thin socks for the first time so that you don't damage them.