In fact, I was worried that my unrestrained dress code got on in and like then some people felt that I felt a little under- dressed at the first time to I attended (jean and jumper) but this code isn't so strict that you feel unwelcome.
In fact, I was worried that my somewhat informal dress code might not fit in and it is true that I felt a little under-dressed the first time I attended (jeans and jumper!) but the dress code isn't so strict that you feel unwelcome.