Big Agnes Benchmark 20

The Big Agnes Benchmark 20° Mummy Sleeping Bag balances warmth, weight, and packability for year-round camping and backpacking adventures. With high-loft synthetic insulation and a water-repellent shell, it’s designed to keep you warm and dry whether you’re camping in Estes Park, backpacking through Rocky Mountain National Park, or heading out on a multi-day trip. The traditional mummy design boosts thermal efficiency while still leaving enough room for a comfortable night’s sleep. Lightweight, cozy, and reliable, the Benchmark 20° is your go-to bag when temperatures dip.

• 20°F temperature rating – dependable warmth for 3-season use.

• High-loft synthetic insulation – warmth even in damp conditions.

• Water-repellent shell – added protection against condensation and moisture.

• Traditional mummy shape – maximizes heat retention while allowing comfort.

• Lightweight & packable – ideal for backpacking and travel.

• Durable construction – outfitter-grade performance for years of use.

• Cozy footbox – keeps toes warm on colder nights.