Umbrella size is usually measured in Arc. Take a 62" degree arc umbrella for example - The right measurement is the distance from one tip to the opposite tip over the umbrella canopy.

Standard Golf Umbrellas typically have an arc of 58" to 62".

Oversize or Extra Large Golf Umbrellas will have an arc of 67" to 68".

The standard rain umbrellas that we carry have 48" of Arc. The smaller folding umbrellas have 43" of Arc. Larger rain umbrellas are available with 62" to 68" of Arc.