These are 100% Grade-A Mongolian cashmere jogger sweatpants by Quince, who are known for their excellent cashmere clothing. They were a gift for Christmas 2023 and are not quite my style, so they've never been worn. Here are other relevant details from the Quince website (https://www.quince.com/men/cashmere/cashmere-jogger): - Crafted from 100% Grade-A Mongolian cashmere - 15.8 – 16.2 micron thickness, 7 gauge, 34-36mm fiber length creates a super soft hand feel - Premium no-roll waistband - Drawstring waist with premium metal drawcord tips - Front slant pockets and single back pocket - Produced in BSCI (Business Social Compliance Initiative) certified factories which aim to improve working conditions throughout the supply chain - Cashmere is sourced from goats in Inner Mongolia I am happy to answer any questions for interested buyers. I hope someone else can enjoy lounging in these comfy sweats.