Ebay offers adidas men 3-Stripes Tricot Regular Tapered Track Pants for $12 (reg. $45) with free shipping. 

Product Description: 
These adidas track pants are your go-to whether you're lounging at home or hitting the town. Their soft yet durable fabric means you can wear them on repeat. Ribbed cuffs give them a slightly tapered look, and the signature 3-Stripes down the sides make these feel instantly adidas. Comfortable, versatile and ready for anything - just like you. This product is made with 100% recycled materials. By reusing materials that have already been created, we help to reduce waste and our reliance on finite resources and reduce the footprint of the products we make.