TAILONG Women Neoprene Sweat Hot Body Shaper Sport Tank Top Vest Gymwear Pull on closure,90% POLYESTER and 10% SPANDEX MATERIAL- High-quality, durable, odorless ,absorbent soft ,breathable material, comfortable to wear.Special neotex material increases body temperature and absorbs sweat so you're always dry on the outside CORE- When worn during exercise, the compression stimulates thermal activity in your core which increases perspiration, allowing toxins to escape DESIGN- simple fashion designmatches with any combination of workout tops or shirts SURPPORT- Giving you back support, and guarantees a correct posture during your workouts