HARNESS SIZING
SIZE COLOR CODE Wt. of Dog (lbs) Dogs Actual Collar Size Harness Neck/Length
Small 2 Blue 35-40 14 1/2" 17 1/2" Neck - 21" Length
Small Long 1 Blue / 1 Red 40-45 14 1/2" 17 1/2" Neck - 22" Length
Medium 2 Red 40-45 16" 19" Neck - 22" Length
Medium Long 1 Red / 1 Green 46-52 16" 19" Neck - 23 1/2" Length
Medium X-Long 1 Red / 1 Black 46-52 16" 19" Neck - 24 1/2" Length
Large 2 Green 46-52 17" 20" Neck - 23 1/2" Length
Large Long 1 Green / 1 Black 52-58 17" 20" Neck - 24 1/2" Length
Large X-Long 1 Green / 1 Orange 58-65 17" 20" Neck- 25 1/2" Length
X-Large 2 Black 58-65 18" 21" Neck - -25 1/2" Length
XL-XLong 1 Orange / 1 Black 70-80 18 1/2" 21 1/2" Neck- 28" Length
XLN 2 Yellow 60-70 20 1/2" 23 1/2" Neck - 25 1/2" Length
XL-XN 1 Yellow/ 1Orange 70-80 22" 25" Neck - 26 1/4" Length
XXL 2 Orange 75-85 18 1/2" 21 1/2" Neck - 28" Length
XXLN 2 White 85-100 21" 24" Neck - 29" Length
XXX 1 Blue/ 1 White

100-120

 22 1/2" 25 1/2" Neck - 30" Length
XXXN 1 Red/ 1 White 120-135 23 1/4" 26 1/4" Neck - 33 Length
(These are estimated weights for each size.
Dogs and weights will vary by breed.)
         
The Kondos X-Back Harness Design