Sea To Summit Alto TR1 Ultralight Tent
Sea To Summit Alto TR1 Ultralight Tent
Sea To Summit Alto TR1 Ultralight Tent
Sea To Summit Alto TR1 Ultralight Tent
Sea To Summit Alto TR1 Ultralight Tent
Sea To Summit Alto TR1 Ultralight Tent
Sea To Summit Alto TR1 Ultralight Tent
Sea To Summit Alto TR1 Ultralight Tent

Sea To Summit Alto TR1 Ultralight Tent

Regular price $799.99 Sale price$719.99 Save $80.00
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The one-person, semi-freestanding Alto TR1 is where ultralight tents meet class-leading space and comfort for three-season adventures.


  • Patented Tension Ridge Architecture creates class-leading usable space, height and ventilation
  • Oversized Apex Vent efficiently expels hot air to prevent condensation build-up
  • Baseline and Apex Vents work together to create superior airflow and are easily adjusted from inside the tent
  • FairShare Storage System allows you to distribute weight evenly between friends or within your pack
  • Lightbar: tent pole bag doubles as a ceiling-mounted light-diffuser, when used in combination with your headlamp
  • Patent-pending and easy-to-use Quick Connect Tent Feet allow one-handed attachment and adjustments
  • Ultimate versatility with five set-up configurations: Dry Set-Up, Fly Only, Inner Only, Partial Fly, and Classic Mode
  • Large vestibule provides plenty of space to store gear and protect it from the elements
  • Tall-wide doors allow for comfortable access and expansive views outside for a more liveable interior


  • Silicone and Polyether Poly-Urethane (Sil-PeU coated 15D fly fabric provides excellent hydrolytic stability for durable waterproof performance
  • 1200mm waterhead fly and floor with fully-taped and waterproof seams
  • Ultra-lightweight 15D polyester high-airflow mesh for maximum ventilation and no-see-um insect protection
  • DAC Featherlite NFL and PRESSFIT pole sections with varying diameters for maximum strength at minimum weight
  • Strong 7075-T6 aluminium alloy Ground Control Light Tent Pegs provide secure anchoring thanks to the custom TriPoint, multi-notch design
  • Easily adjustable Ground Control Guy Cords with quick-connect V-Toggles can be attached or removed from multiple guy loops to suit wind conditions
  • Available accessories: Bigfoot Footprint, *Lightfoot Footprint, Gear Loft, additional Ground Control Light Tent Pegs and Guy Cords



Sleeping Capacity


Min Trail Weight (Fly +Inner + Poles)

938 G

Fly + Poles + Lightfoot Footprint* Weight

781 G

Packed Weight

1110 G

Packed Size

11 x 11 x 44 CM

Floor Dimensions (L x W head/foot)

215 x 107/60 CM

Floor Area

1.81 M2

Vestibule Area

0.7 M2

Peak Height

105 CM

In-use Height

109 CM

Door Height

108 CM

Number of Doors


Number of Poles


Pole Material & Diameters

DAC Featherlite NFL 8.7mm, PF 9.5mm & 9.8mm Anodised Aluminium

Inner Canopy Fabric

15D Polyester High-Airflow No-See-Um Mesh

Floor Fabric

15D Sil-PeU Coated Nylon Ripstop

Floor Waterhead

1200 MM

Fly Fabric

15D Sil-PeU Coated Nylon Ripstop

Fly Waterhead

1200 MM

Footprint Available (not included)




Design Type


Pegs Included


The standard local delivery time from our store in Melbourne for orders placed before noon is 2–7 business days via Australia Post standard delivery. Express Post is also available. Please see our Shipping page for more details. International Orders are subject to flight availability.

If you'd like to know availability and delivery times for a specific item please contact us and we will get back to you asap.

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