Lululemon Cabin Yogi Long Sleeve sweater. The sweater is known for its ribbed texture, thumbholes, and a curved or scalloped hemline. The fabric is described as Boolux™, a blend of cashmere, TENCEL™, and rayon from bamboo, which is soft and comfortable. The Lululemon Cabin Yogi Long Sleeve was designed for both casual wear and for staying warm before or after workouts. It has a slim, longer fit that provides moderate coverage