"Such confidence" means having a strong belief and trust in oneself or something/someone.
Sentences with «such confidence»
I say this with such confidence because I have helped so many people achieve great muscle mass over the years and I know how simple it can be. (unique-bodyweight-exercises.com)
I always appreciate when a seller shows such confidence in their product. (tradingsetupsreview.com)
After such confidence boosting and high scoring wins you may think this game could be filled with goals. (toddstake.com)