Koss Winter Sizing Chart

  Small Medium Large X-Large 2X-Large 3X-Large
Chest 39"-41" 41"-43" 43"-45" 45"-47" 47"-49" 50"-52"
             
Waist 31"-33" 33"-35" 35"-37" 39"-41" 41"-43" 43"-45"
             
Hip 33"-35" 35"-37" 37"-39" 39"-41" 41-43" 43"-45"