Sweat belt: Get a sports sweat belt. Phone pocket: Includes a handy phone pocket for phones up to 5.9in for hands-free exercising. Designed to: Increase your sweat production in the abs area, and enhance your ab work outs. Back protection: Can also help to support your lower back and abs for better posture. One size: The flexible belt can be adjusted to fit waist sizes from 25" to 42". Premium material: Made from ultra-thick, latex-free neoprene for a sweating experience. The mesh lining repels moisture absorption, while the grille decoration limits sliding and gathering during exercise. Sport Sweat Belt | Black | Living Social