Arena sits at best

My daughter is a lot of swimming and therefore needs a well-fitting swimsuit. No matter what we tried, sitting Arena always best. So this here. Nothing pinches or slip.
It is only important to note that the swimsuits to be relatively small, you should buy him a number larger than one normally wears. Was certainly with us so far always so, both in children's sizes as well as now in women's sizes. My daughter is very petite, Gr. 34 is often still too far, the swimsuit in Gr. 36 but fits well.