I’ve never had Aligns, so I can’t compare, but I bought black Yogalicious biker shorts (5”) from Amazon, and they stay in place plus they’re so comfortable. They also have pockets 🙌🏽

https://www.amazon.com/Yogalicious-Ultra-Soft-Lightweight-Shorts/dp/B07G9PGYQV?th=1&psc=1