Amazon has the Amazon Essentials Men's Regular-Fit Hybrid Tech Shorts for $9.50 with free shipping for Prime members or on $25+. Available at this price in select size/color combinations.
Has good Amazon Reviews.
Amazon has the Under Armour Sportstyle Men’s Tricot Joggers (Mechanic Blue/Black) for $36 with free shipping. List price: $60. It features a durable knit fabric with a smooth face & a soft inner to trap warmth, ribbed waistband with external drawcord, back left pocket & hand pockets with right side internal phone pocket.
Has excellent Amazon Reviews.
eBay has the Reebok Workout Ready Men's Graphic Shorts (Cobalt or Black) for $12 with free shipping. List price: $30. Features 100% polyester, drawcord on elastic waist for secure, adjustable fit. Available in select sizes from S to XXL.
Amazon is offering Up to 63% off adidas Men's and Women's Activewear Items. Shipping is free for Prime members or on $25+.