The decline bench press is an exercise which helps you get the complete chest development. It recruits more of the inner pecs, i. the sternocostal head, which not a lot.
The dumbbell armpit row is a rare exercise that targets your lateral deltoid. Your posterior deltoid and various arm and back muscles act as synergists.
This is a Sunday brunch with the guys or family outfit! I feel like you don't have to wear dress pant to wear a blazer with a dress shirt. Just throw on some plain, simple jeans and add on that beige blazer with a neutral color dress shirt.