Egg boots (sometimes called eggs) are a style of unisex sheepskin boots lined with wool on the inside and with a tanned outer surface. Egg boots often have a synthetic sole, although this is not universal. Heights range from around the ankle to above the knee, they are available in a range of different colors as both slip-on and lace-up varieties, and they are produced by a number of manufacturers. The natural isolative properties of sheepskin give thermostatic properties to the boots: the thick fleecy fibers on the inner part of the boots allow air to circulate and keep the feet at body temperature. This means that egg boots can be worn without socks even in relatively cold weather. (B- O) G