Sea To Summit Alto TR1 Plus / Pro

Sea To Summit Alto TR1 Plus / Pro

Ultra-light, spacious and well-ventilated single-seater tent. Version with full fabric inner.

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The opinion of Aventure Nordique

The Sea To Summit Alto TR1 Plus is the full fabric version of the Atlo range (also available in mesh). The full fabric inner offers greater protection from the elements. When the wind blows, it prevents draughts, and when the temperature drops, it allows you to gain a few degrees. It is equipped with mesh ventilation windows for use in hot weather.

The Alto TR1 Plus is a 1-person tent with a large interior volume. Its Tension Ridge top pole in the shape of unfolded wings provides a large door and generous interior volume. Its dome structure is semi-self-supporting. In order to achieve a minimalist weight, the tent has slightly smaller dimensions in terms of floor space.

The spread wings also ensure that the risk of condensation is minimised with an efficient ventilation system. The tent has top and bottom ventilation, which is provided by the underside of the outer doors so that the air can circulate well. Depending on the weather conditions they can be opened or closed.

It is quick and easy to erect. It is also possible to install only the double canopy to obtain a large shelter, or only the inner for nights under the stars. When it rains, the flysheet can be put up first.

The storage cover is divided into several compartments, so that the inner can be separated from the flysheet when it is still wet. It is 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" ground sheet covering the inner or "Bigfoot" ground sheet covering the inner and apses can be purchased.

Technical details

Manufacturer Sea to Summit
Product name Alto TR1 Plus
Article number SEA-DTALTOTR1PL
Season 3 season
Capacity 1 people
Uses Bikepacking
Form Dome tent
Freestanding Semi self-supporting
Frame Aluminum
Area 1,81 m²
Inner tent area 215 x 65/107/60 cm
Height inner tent 105 cm
Number of doors 1 door
Vestibule area 0,7 m²
Vestibules 1 Vestibule
Minimum Weight 1056 g
Total weight 1228 g
Folded size 11 x 44 cm
  • Fly: Nylon Ripstop Sil/PeU 15D - 1200 mm
  • Inner: Nylon Ripstop 20D
  • Foot: Nylon Ripstop Sil/PeU 20D - 2500 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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