Hapi Yogi 235 E Broad St, Westfield, NJ07090 Hapi Yogi offers adult and children's yoga classes, which are kept small in order for instructors to provide…More personalized attention. The studio welcomes anyone of any age, gender and physical ability. While each instructor brings a personal touch to their classes, their mission is uniform: helping students reach their potential. Students may opt for one-on-one lessons, which are booked by appointment. Kids and adults practice concurrently, though in separate rooms.