The cup is the same for all sizes but the membrane that seals around the penis are available in 3 sizes, small medium and large. If you dont know which size to choose, you can measure the approximate circumference of the penis shaft (flaccid) with a tape measure.
Small circumference of 25-35 mm
Medium circumference of 30-40 mm
Large circumference of 35-45 mm
UROX Gaiter
The gaiter available in 3 sizes: small, medium and large. If You don’t know which size to choose, you can measure the circumference of the calf at its thickest point and choose the size that fits:
