Abstract: A posture-aiding elastic band that is worn with the user's upper arms inserted through loops formed at opposite ends of the band and with the length portions against each other, the band is stretched across the back of the user, which back width typically does not significantly vary among individuals so that one-size-fits-all and wherein there is urgency induced in the band due to the stretching which urges the upper arms or shoulders in movement into a vertical plane of the user's back providing a favorable contribution to the user's appearance and causing the user to develop a habit against slouching his/her shoulders and assuming a less desirable posture.