"light shorts" is a correct and usable phrase in written English.
For example, you could write, "She was wearing light shorts and a tank top on the beach."
The runners and vaulters, in singlets and light shorts, reclaimed the floor.
These nylon pants work well over light shorts in warm rain, since you will sweat.
For example, if you wore a halter top bikini while tanning, or if the bikini was very strappy, you should wear a white tank top with light shorts, or if you did not wear a strappy or halter bikini, try a light v-neck shirt with a white skirt or shorts.
Carbine, light, short-barrelled musket or rifle.
This concert ends with the light, short Symphony No. 14.
His light, short frame put football and basketball out of the question.
"He could say yes, light, short, dark, that would be reasonable," the Libyan leader said, cackling at what he called absurd evidence.
Others, and I was one, take pity on a tomato bleeding under a light, short and dull blade and reach for ever heavier, longer, sharper knives.
Holding a prayer book turned to Psalm 99, he was a stooped figure in gray trousers, a light short-sleeved shirt and sandals.
As the long, trailing rapier was unsuited to the new form of dress, fashion decreed the wearing of a light, short court sword.
Even the shifter exhibits the light, short throws expected of a proper sports car.
