This is a pair of Gucci technical half pants.
The size is L.
I am 178cm tall and weigh 70kg, and it fits me perfectly.
The waist can be adjusted with the drawstring.
I bought it myself at Gucci in Shibuya Parco, so it is definitely authentic. Please rest assured.
I have only worn it twice, so it is in good condition.
Thank you for looking.