YONEX jogger pants, warm-up pants. These are not Heat Capsule. I remember purchasing them at a store, introduced as an original item from a badminton specialty store association. ● Product number: Probably YOB24044 ● Unisex ● Long pants, training wear ● Size: L ● Color: Black ● With zipper at the hem ● Used and washed a few times since purchase ● The elastic in the waist is not loose. ● There are no scratches, stains, or fraying, and it is in good condition.