Team a dark green quilted gilet with a navy v-neck sweater to create an incredibly dapper and modern-looking off-duty outfit. Let your outfit coordination skills really shine by finishing off this ensemble with burgundy leather casual boots. We know it's always hard to stay on-trend in the dead of winter, but this ensemble is proof that it's actually possible. All in all, a goofproof option when it comes to outfit ideas for over-30 guys.