I like the Zara one but I'm personally an advocate of velvet as a evening piece only.
For just mooching around in the day, and especially in this blazer, a wool blazer in a neutral colour would be more appropriate.
As long as you're not that tall (they're rather short cut), ASOS is a good shout for casual blazers.
Here's a tweed number ASOS | ASOS Slim Fit Tweed Blazer at ASOS
Compositions not ideal, but it's a great throw-on blazer
If you want to be "On trend", knitted blazers are a nice contemporary twist on the casual blazer:
KNITTED BLAZER - Blazers - Man - ZARA United Kingdom
Another grey herringbone:
GREY HERRINGBONE BLAZER - Blazers - Man - ZARA United Kingdom