Neckties, for Spring?! Groundbreaking.
Similar to shop:
If you want to find similar I’d google “burnt orange tie” or go to a vintage shop and find another good deal. Silk ties can be expensive but you can usually tell the difference between that and fakes.
For a high-end low-end look I think it’s important to invest in high quality blazers, but you can wear budget pants. Here are some faves I found that are similar to this outfit: