Are bivy sacks waterproof?

Most bivy sacks use waterproof-breathable materials that block rain while allowing moisture to vent, ideal for backpacking and alpine use.

Tarps, Bivies & Ultralight Shelters

Q: What’s the difference between a bivy sack and an ultralight tent?

A bivy sack is a solo shelter that focuses on minimal weight and compact design, while ultralight tents provide more interior space and ventilation.

Q: Can a tarp be used as a primary shelter?

Yes, tarps can serve as primary shelters when pitched correctly with guy lines and paired with a ground cloth for added protection.

Q: How much should an ultralight shelter weigh?

Ultralight shelters typically weigh between 0.5 and 2 pounds, depending on design and capacity, keeping pack weight minimal for long hikes.

Tarps, Bivies & Ultralight Shelters from The Outdoor Warehouse deliver lightweight, durable protection for minimalist adventurers, thru-hikers, and survivalists. Each piece of gear is designed for maximum portability and efficiency without sacrificing weather protection.

Explore bivy sacks, ultralight tarps, and compact emergency shelters made from high-performance materials like ripstop nylon and silpoly. Built to handle rugged terrain and unpredictable conditions, these shelters provide reliable coverage in the lightest possible package.

Featuring trusted brands like Outdoor Research, Rab, MSR, and Sea to Summit, our collection offers performance-tested gear designed for fast-moving adventurers and backcountry pros.

Compare Tarps, Bivies & Ultralight Shelters

Type	Best For	Weight Range	Key Features	Recommended Brands
Bivy Sacks	Solo hikers, alpine climbers	1–2 lbs	Compact, waterproof, breathable protection	Outdoor Research, Rab
Ultralight Tarps	Backpackers, minimalist campers	0.5–2 lbs	Versatile setup options, high coverage-to-weight ratio	MSR, Sea to Summit
Emergency Shelters	Survival & backup protection	Under 1 lb	Thermal insulation, reflective materials, fast deploy	SOL, Grizzly Gear

Pro Tip

When choosing an ultralight shelter, aim for setups under 2 lbs per person. Use trekking poles or natural anchors to save weight and pack space. Always carry a ground cloth or footprint for additional durability and waterproofing.

Ultralight Shelter Essentials

Ultralight shelters are designed for backpackers and thru-hikers who prioritize speed, weight reduction, and adaptability. Bivy sacks are perfect for solo adventures and alpine routes, while tarps provide flexible protection for both individuals and groups. Emergency shelters offer quick-deploy coverage when unexpected weather hits or in survival situations.

Choose materials with high tear strength, reinforced tie-out points, and reliable waterproof coatings to ensure long-lasting performance in all environments.

Frequently Asked Questions

What’s the difference between a bivy sack and an ultralight tent?

A bivy sack is a minimalist solo shelter designed for low weight and protection, while an ultralight tent provides more interior space and ventilation but adds a few extra ounces.

Can a tarp be used as a primary shelter?

Yes. With proper setup and guy lines, tarps can function as full shelters in most conditions. Add a ground cloth for insulation and weather protection.

Are bivy sacks fully waterproof?

Most bivy sacks are waterproof and breathable. Some ultralight models focus on water resistance with increased airflow for humid conditions.

How much should an ultralight shelter weigh?

A true ultralight shelter should weigh between 0.5 and 2 lbs, depending on size and features. Aim for no more than 2 lbs per person for backpacking efficiency.

Why Buy Ultralight Shelters from The Outdoor Warehouse?

Premium selection of bivy sacks, tarps, and shelters from top outdoor brands.
Designed for backpacking, mountaineering, and survival use.
Expert support and fast U.S. shipping.

Shop Tarps, Bivies & Ultralight Shelters at The Outdoor Warehouse — lightweight, reliable protection for minimalist and backcountry adventurers.