We sweat the important stuff. Here's why you'll love your new IVL: IVL Hydrasculpt collagen fabric moisturizes your skin, provides wicking, deodorizing, UV- protection, and anti-static functionality. Open back with breathable elastic straps for added ventilation. Elastic waistband for secure, supportive fit. Interior sleeves for pads. Reflective logo keeps you seen. Friendly for sensitive skin with no chemical softeners used. Eco-friendly and biodegradable material. Size up one size for a more comfortable fit.