Despite all the trends we see coming down the runways or on social media, certain basic fashion items are ubiquitous, worn by men, women and children around the world—and they’ve been worn for generations , at that. We’re talking jeans, tees and button-front shirts—sometimes worn all at once . These cotton pieces are timeless staples, and brands and consumers say there’s a reason why they’re still the foundation of every wardrobe. Splendid’ s Holly Shapiro, creative director, says these are the pieces you don’t have to think about. “They fit well, feel good and go with everything,” Shapiro told the Lifestyle Monitor ™ in an interview. “Plus, you can dress them up or down and make them your own without trying too hard.…