These have a lot packed in a small package. The liner is actually a complete pair of shorts, with 2 side pockets just like with their leggings. There's also a key pocket on the inside and a drawstring for the perfect fit. From their site: Lululemon Always Airy Run Short 3.5" Honeycomb Release Date: 10/2019 Style Number: W7AUNS Original Price: $68 Material: Swift Consider these light and high-coverage two-in-one shorts your secret weapon for long runs on balmy days (and nights). Four-way stretch, sweat-wicking Swift fabric is durable and lightweight Designed for: Training Lined: Liner is sweat-wicking and quick-drying Storage: Side drop-in pockets on the short liner Reflective details: Intentionally placed for visibility in low light High-rise: Keeps you feeling covered and secure Inseam: 3.5"