FINAL SALE - NO RETURNS OR EXCHANGES The band that does it all! Reduce back fat and underarm fat with built-in SweatTech™ technology, our Define Vest Duo increases sweating in those hard-to-tone areas while remaining comfortable during even the most intense workouts. Define Vest Duo covers the midsection, back, and underarms, bringing you the best coverage you can have for a workout band. This band works best when worn during high-intensity workouts, cardio, and abdominal exercises. The two removable straps provide versatile compression that can be adjusted as your waist reduces in size. Pair with any Daily Wear band for best results.