Kaia Gerber has legs for days in black spandex pants during early morning sweat session

Kaia Gerber pairs gray leggings with patterned pullover as she heads to a Pilates workout in LA

Kaia Gerber looks sporty chic as she walks her pooch through Malibu with a long-haired male friend

Kaia Gerber wears a grey sweater and matching athletic leggings as she heads to a Pilates class