Consider teaming an orange v-neck sweater with a crew-neck t-shirt to show you've got expert styling prowess.
Orange V-neck Sweater with Crew-neck T-shirt Smart Casual Outfits For Men
Combining an orange v-neck sweater and a crew-neck t-shirt will cement your expertise in menswear styling even on weekend days. You could perhaps get a bit experimental on the shoe front and complement this getup with black leather loafers.
If the situation permits off-duty styling, pair an orange v-neck sweater with a crew-neck t-shirt. Balance this ensemble with a more sophisticated kind of shoes, such as these black leather loafers.