YONEX uniform, thin warm-up pants. I think you can use them for a long time, except in mid-winter and mid-summer. They are not Heat Capsule. There are some fold wrinkles. I don't think you'll notice them when you wear them, but If you are at all concerned, please refrain from purchasing. Thank you for your understanding of used items. Please note that I am also listing on other sites. m(_ _)m Lightweight black warm-up pants with white lines on the sides. - Color: Black - Design: White lines on the sides - Brand: YONEX - Waist: With drawcord - Features: Lightweight material Thank you for viewing.