A grey wool blazer and jeans are veritable menswear must-haves if you're crafting a casual closet that holds to the highest fashion standards. Rounding off with a pair of black and white slip-on sneakers is an effortless way to add a dash of stylish effortlessness to this getup. Think you can't pull off edgy off-duty outfits as you get into your 60s? This combo is indisputable proof of otherwise.