In the summer you want a tank top like the Obey Clothing Salina Tank Top. It's comfortable enough that you'll always stay cool during the day, and it's stylish enough that you won't want to change before going out at night.
Custom OBEY reverse-jacquard Mexican blanket inspired stripe
Racerback knit tank
Patch pocket at chest
Merrowed edge stiching at neck openings, armhole, and bottom hem