LixadaMen's Running Shorts 2 in 1 Quick Dry Breathable Active Workout Shorts with Longer Lining

Im a size 32 waist uk so what size of shorts would I order

30 inch waist? What size?

I am size 34 what is my size M or L?

The size info seems contradictory. I'm 163 cm tall, weigh around 66 kgs and uually take a size 30 inch waist. True to size or size up? Which is it?