I tried on basic black sweaters from Banana Republic, Old Navy, and Gap. My top choice reminded me that you get what you pay for.

• I tried on similar sweaters at Banana Republic, Old Navy, and Gap.
• I liked the fit of the Old Navy sweater but was disappointed in the fabric quality.
• I loved both the fit and feel of the cashmere sweater from Banana Republic.

It’s officially the season of overpriced pumpkin-spice lattes, spooky movies, and homemade chili, which means it’s time to restock my fall-fashion staples.

I typically do my seasonal shopping at thrift stores, but I’ve been on the lookout for a neutral sweater that will actually last more than a few wears and washes.

That’s why I turned to three Gap Inc.-owned retailers — Banana Republic, Old Navy, and Gap — to find a simple but versatile black sweater. I compared similar styles based on comfort, texture, design, fit, and overall value.

Here’s how the shopping experience went.