Western Mountaineering MonoLite Sleeping Bag - Ultralight Minimalist Down Bag (3°C, 850+ Fill) type_leash Spring to autumn climbingAlpine bivouacsCold-weather

Spring to autumn climbingAlpine bivouacsCold-weather backpackingHigh-altitude trekkingShoulder-season camping

high-performance design of the TN Pro into a low-volume fit

and everyday use

Precision Positioning

Wider fit - More room for comfort3-season warmth - Rated to -7°C850+ fill power down - Premium insulationLightweight - From ~880gProven design - Based on UltraLite performance

Western Mountaineering MonoLite Sleeping Bag - Ultralight Minimalist Down Bag (3°C, 850+ Fill) type_leash Spring to autumn climbingAlpine bivouacsCold-weatherNothing Extra. Everything You Need. The Western Mountaineering MonoLite is the definition of minimalist performance designed for climbers and adventurers who want maximum efficiency with zero unnecessary features. With a micro baffled construction, 850+ fill power down, and ultralight 10D shell, it delivers reliable warmth down to 3C while packing down to the size of a Nalgene bottle. Built for fast and light missions, the MonoLite strips away excess