Is this trouser warm-weather only?

It is built for heat: the linen blend breathes and wears cool. It can work in spring and early fall, but it is not a cold-weather suit trouser.

How does the slim fit compare with Banana Republic's other suit trousers?

It is the brand's trimmer cut, close through the thigh and tapered below the knee. Men who take a straight or classic fit should expect it to feel snugger.

Can I wear it as a separate with a different jacket?

Yes. The beige herringbone works as an odd trouser with navy, olive or cream jackets. Matching it to the same fabric jacket gives the full suit look.

Does linen blend mean less wrinkling than pure linen?

Somewhat. The blend adds body and helps the crease hold, but it still creases more than wool and will need a press after long wear.

What is the rise and leg opening like?

It sits at a normal waist with a slim leg that tapers to a narrow opening. That keeps the line clean but leaves little room for athletic thighs.

How should I care for it?

Follow the care label; linen blends usually want a cool wash and hanging to dry. Steam rather than a hot iron to lift creases without flattening the weave.