If I go for Tennis lessons at verney tennis or like any other place do i have to go and find my own outfit from a mall or something then buy it or do they give you choices then you give them money for an outfit??

I have a tennis lesson text week and my teacher is really hott.
I wanna look good!
next* week….
hahahahah im dumb

im gittin private lessons and i was wondering wut i should wear and wear i could git my gear 4 the sport! i look athletic and all but i want a good impression on my coach!! so ne suggestions??