REI Outlet

Tents & Shelters

Sea to Summit Alto TR2

Sea to Summit Alto TR2 is a remarkable, innovative product that has taken outdoor adventures to a whole new height. It’s an ultralight tent designed to provide exceptional comfort and convenience while keeping weight and size to a manageable minimum.

The Alto TR2 tent is Sea to Summit’s pursuit at creating an innovative, well-featured, three-season backpacking solution that purposefully blends functionality, portability, and durability. This tent is carefully designed to comfortably accommodate two people and their gear. It boasts a lightweight design, weighing at only 1.35 kgs, which is excellent news for backpackers aiming to reduce their carry load without compromising structural stability or spaciousness.

The primary highlight of the Alto TR2 is its versatile pitch system. This tent’s well-crafted architecture permits several pitch setup options, creating multiple configurations tailored to different weather conditions or individual requirements. For instance, the Fair-weather Mode allows maximum airflow, thus augmenting much-needed ventilation during warm nights, reducing condensation, which can be a serious problem in many other tents. Furthermore, the full-coverage fly equipped with intelligent ventilation design ensures excellent weather protection in 3 seasons, effectively maintaining a comfortable interior environment.

Sea to Summit is known for their thoughtful design details and Alto TR2 is no exception. The tent is packed with intelligent features including the Lightbar, an ingenious addition that diffuses headlamp light for a pleasant, ambient light inside the tent. Sea to Summit’s unique Tension Ridge architecture increases interior volume, optimizing the peak height to improve livability. The spacious layout has an interior head height of 39 inches and a floor area of 28 square feet, so you and your camping partner can comfortably sit up, stretch out and sleep without feeling constrained.

Moreover, the tent is characterized by its resilient build quality. Constructed with high-quality, durable fabric, the Sea to Summit Alto TR2 withstands adverse weather conditions, while the DAC Featherlite NSL poles add strength and stability to the structure. The tent also comes with an innovative pole system that helps maintain tension, providing exceptional wind resistance.

Getting in and out of the tent is easy, thanks to its dual-sided accessibility. The two vestibules located on either side of the tent provide ample room for gear storage, giving the inside of the tent a clutter-free space. Both vestibules are designed with inverted “T” zippers, offering increased ventilation options and protection against rain.

With its own footprint as part of the setup, this tent provides an extra layer of protection against sharp objects, mud, and water. The integrated system helps provide the most effective moisture management, keeping you dry even during significant rain.

In conclusion, the Sea to Summit Alto TR2 is an ultralight, reliable, and extremely versatile 3-season tent perfect for backpacking and camping adventures. This tent represent a perfect fusion of functionality, innovation, and craftsmanship, improving your outdoor experiences like never before. Combining remarkable features with superior comfort, this tent is a testament to Sea to Summit’s dedication to help outdoor enthusiasts explore and enjoy the world’s wild places.

Read more about Sea to Summit Alto TR2 at Find the specs, the best price, and compare it to other similar products.


Capacity 2
Season 3
Doors 2
Inner Tent Area 27 square feet
Vestibule Area 18 square feet
Interior Height 42.5 inches
Weight 2 lbs 15.3 oz
Product Brand Sea to Summit
Sea to Summit Tents & Shelters

Added: September 28, 2023

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