1. Swift Dry: Swift Dry Technology draws perspiration from the skin; keeping the body cool, dry and comfortable. Especially made for active-wear use.2. Super Combed Cotton Stretch: The combed cotton fabric construction makes the trunk super soft while improving the durability and breathability. Stretch allows ease of movement.3. Mesh Inserts For Breathability: Mesh inserts for breathability adds a practical flair to the trunk while enhancing the level of comfort.