best carpet for stairs and pets

The best carpet for stairs has a low pile—¾-inch or less—to be both more stable underfoot and resilient to traffic. A synthetic plush style in twisted or cut pile is always a safe option, while a looped style like Berber is occasionally avoided (particularly if you have pets whose claws may catch in the carpet loops).

Source: https://www.bobvila.com/articles/best-carpet-for-stairs/#:~:text=The%20best%20carpet%20for%20stairs%20has%20a%20low%20pile%E2%80%94%C2%BE,catch%20in%20the%20carpet%20loops).