Bottoms are an apparel term used to describe the layers of clothing worn on the bottom half of the body. Bottoms may be in reference to undergarments or outerwear.
About Yoga:
Yoga refers to traditional physical and mental disciplines originating in India. Major branches of yoga in Hindu philosophy include Raja Yoga, Karma Yoga, Jnana Yoga, Bhakti Yoga, and Hatha Yoga. Outside India, the term yoga is typically associated with Hatha Yoga and its asanas (postures) or as a form of exercise.