Sea To Summit Alto TR2

Ultra-light, spacious and well-ventilated 2-person tent. Version with mesh fabric inner.

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The opinion of Aventure Nordique

The Sea To Summit Alto TR2 is the mesh version of the Atlo range (also available in full fabric). The mesh inner allows the tent to be ventilated and saves weight. This chamber is very well suited for use in summer and in hot and dry environments.

The Alto TR2 has a large interior volume thanks to its pole system. The Tension Ridge top pole, in the shape of outstretched wings, allows for large, high and wide doors. Combined with a semi-self-supporting dome structure, its vertical walls give way to a very generous passenger compartment. In order to achieve a minimalist weight, the tent has slightly smaller dimensions in terms of floor area.

The Tension Ridge also improves the ventilation of the tent to eliminate the risk of condensation. Openings are placed along the centreline and bottom ventilation is provided from underneath the outer doors. Depending on the weather conditions, the windows can be opened or closed.

The installation is simple and classic. However, it is also possible to erect only the flysheet to provide a large shelter, or only the inner for nights under the stars. When it rains, the flysheet can be put up first.

The storage bag is divided into 3 compartments, so that the weight can be distributed between people, but also to separate the inner from the flysheet (useful when the flysheet is not completely dry). It has been designed to be used as a storage pocket in the tent and as a ceiling lightbar (to be combined with its lamp).

As an option (sold separately), a "Lightfoot" floor covering the inner or a "Bigfoot" floor covering the inner and apses can be purchased. A ceiling storage net is also available.

Technical details

Manufacturer Sea to Summit
Product name Alto TR2
Article number ATS2039-01170409
Season 3 season
Capacity 2 people
Uses Bikepacking
Form Dome tent
Freestanding Semi self-supporting
Frame Aluminum
Area 2,5 m²
Inner tent area 215 x 134/97 cm
Height inner tent 100 cm
Number of doors 2 doors
Vestibule area 2 x 1,7 m²
Vestibules 2 Vestibules
Minimum Weight 1156 g
Total weight 1340 g
Folded size 12 x 52 cm
  • Fly: Nylon Ripstop Sil/PeU 15D - 1200 mm
  • Inner: No-See-Um Mesh 15D
  • Foot: Nylon Ripstop Sil/PeU 15D - 1200 mm
  • Poles: Aluminium Dac NSL 8.5 mm / 9 mm
  • Pegs: Ground Control en aluminium 7075-T6
Additional information
  • Storage cover with removable compartment.
  • Footprint sold in option covering the apses or not.
  • Optional overhead storage net (Gear Loft) sold in option.
Warranty 2 years
Country of Manufacture China


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