New unis?

I was just watching Gonzo bat, and noticed his shirt is shiny, tighter
fitting, and has a sort of waffle texture.

I mean the grey one with blue sleeves that goes under the white
pinstriped vest.

Did they swtich to some sort of under-armor type of shirt? And is it
new this year or was it around last year?

When I was in the main store at the ballpark last week, I didn't see
anything like that. But it looks pretty cool.

--Blair