For high-output runs where heat and sweat are a given, the Active Lined 7" Short is our pick for guys who want merino comfort without the trade-offs. A merino-blend outer handles odor and moisture naturally, while the built-in liner cuts chafe on long efforts. Seven inches of inseam gives you coverage without killing your stride. Merino-blend outer naturally resists odor and manages moisture — critical on long runs in Southern heat and humidity Built-in liner eliminates the need for separate compression shorts and keeps chafe out of the picture on high-mileage days 7" inseam hits the sweet spot between coverage and freedom of movement on both technical trail and road miles Versatile enough to pull double duty across trail runs, track workouts, and hiking approaches where packable comfort matters Available in Black, Deep Navy, and Burnt Sienna in sizes S–XXL — merino feel without the bulky wool look