If it's ease and functionality that you love in menswear, try teaming a beige bomber jacket with chinos. If you want to break out of the mold a little, introduce a pair of beige casual boots to the equation. Sartorial inspiration like this will help you remain seriously stylish well into your 40s.
This combo of a black long sleeve shirt and chinos is simple, sharp and very easy to imitate. Take your getup a more elegant path by sporting a pair of beige casual boots. If you frequently fret about dressing appropriately for your age, this combo is a surefire option.
A navy blazer and chinos are absolute staples if you're picking out a smart wardrobe that matches up to the highest menswear standards. Add beige casual boots to the equation and off you go looking amazing. So if you're after fashion inspiration for dressing as you move into your 40s, this combo is definitely worth saving for later.