Singer Krystal has revealed her recent activities in collaboration with the fashion brand Polo Ralph Lauren.

Krystal recently posted on her SNS, "had my new fav #polopuffer on and met these cuties! @poloralphlauren #PoloRalphLauren #Polo Ralph Lauren," along with photos of herself wearing a warm beige padded jacket. In the photos, Krystal pairs a black top with brown pants, striking various poses in a natural setting that exudes an autumn atmosphere, showing a relaxed daily life. She particularly caught attention with natural poses, such as sitting with one knee raised or standing between trees while gazing at the camera.

Through these photos, Krystal showcases a trendy winter fashion style, demonstrating a positive synergy with the brand.

Meanwhile, Krystal is scheduled to release her first solo single, "Solitary," on the 27th. She recently revealed the cover image and started pre-orders. This new release, marking her debut as a solo artist after 16 years, is drawing anticipation for her new musical direction.