These belts have a European style quick release prong to allow you to get it as tight as desired, but get it off quickly when you're done the set.
Made in Sweden
Small: 60-80cm (23.5-31.5 inches)
Medium: 70-90cm (27.5-35.5 inches)
Large: 80-100cm (31.5-39.5 inches)
XLarge: 90-110cm (35.5-43.5 inches)
2XLarge: 100-120cm (39.5-47 inches)
3XLarge: 110-130cm (43.5-51 inches)
Please note: Small belts are a soft style, designed for those with a waist measurement under 80cm, and is made of a softer material to mold better between the ribs and hips.