Casual boots can be every bit as sexy as dressier styles -- just ask anyone who bought their girfriend a pair of UGG boots a few years back. The nice thing about casual boots like these is that they can be worn in a variety of ways: you can tuck your skinny jeans into them, pair them with tights or go bare-legged -- but however you wear them, there's an undeniable casual sexiness to boots like these. (Buy Direct)

