Customers say these liners offer a comfortable, lightweight fit that stays in place during activity. Many reviews highlight the elimination of chafing during long runs and hot, humid conditions, with users praising the breathable material and quick-drying properties. The pouch design and seamless construction receive frequent praise. Some note the back tag causes irritation during extended wear, and a few report the liners ride up or bunch at the legs. Most users appreciate the product's performance for running, hiking, and daily wear, though sizing recommendations vary by body type.