knee-. breeches. Sometimes confused with "gaiters", with the difference being gaiters only extend to the high ankle and were worn with full leg trousers.sexy Leggings made from cotton-lycra, or a cotton-polyester-lycra combination, are more typically worn for fashion, but are also common as fitness apparel as well. Although cotton lycra leggings can come in many colors, black, navy, and various shades of gray remain the most commonly worn. Leggings may also come in a variety of colorful prints and designs.Leggings are typically ankle-length; they are occasionally stirrupped, or less