KLSZ-FM (100.7 FM) is a radio station broadcasting a country music format. Licensed to Fort Smith, Arkansas, USA, it serves the Fort Smith area. The station is currently owned by Cumulus Media.
Program Director Josh Bertaccini hosts "The Red Zone with JB" weekdays from 7 to 9 am. He has worked for the Ticket since June of 2011. The Jim Rome Show airs weekdays afternoons from 11 am to 2 PM, and Doug Gottlieb hosts afternoon drive.
On January 2, 2013 KLSZ changed their format from mainstream rock to sports, with programming from CBS Sports Radio.
On August 15, 2014 KLSZ changed their format from sports to country, branded as "100.7 Nash Icon".