The Sea To Summit Alto TR1 PLUS is a one-person, semi-freestanding tent for cooler climates. Perfect for weight-conscious backpackers.
Your complete ultralight setup: Sea To Summit Alto Tent plus Alto LightFoot Footprint (RRP £45) and Gear Loft (RRP £20) — £65 worth of extras, bundled in for free.
Comfort
The large vestibule provides plenty of space to store gear and protect it from the elements, and tall-wide doors allow for comfortable access and expansive views outside for a more liveable interior. The patent-pending Tension Ridge Architecture creates class-leading usable space, height, and climate control.
Designed for cooler climates, the breathable full fabric inner blocks wind while allowing humid air to escape. The Oversized Apex Vent efficiently expels hot air to prevent condensation build-up, and along with the 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. It comprises dual-use storage bags that can be clipped into your tent to create extra storage and an illuminating Lightbar. The tent pole bag doubles as a ceiling-mounted light-diffuser, when used in combination with your headlamp.
Setup
Patent-pending and easy-to-use Quick Connect Tent Feet allow one-handed attachment and adjustments. Easily adjustable Ground Control Guy Cords with quick-connect V-Toggles can be attached or removed from multiple guy loops to suit wind conditions.
Ultimate versatility with five set-up configurations: Dry Set-Up, Fly Only, Inner Only, Partial Fly and Classic Mode.
Features
- Sleeps up to: 1 person
- Rooms: 1
- Vestibule: 1
- Doors: 1 internal, 1 external
Optional Additions – Available Separately
For added comfort, an Alto TR1 LightFoot Footprint can be purchased to help protect the tent’s floor from abrasion.
Sea to Summit tents are featured in our first look review on the Taunton Leisure Blog. Read it here in Our first look at Sea to Summit Tents
- Dimensions: 109 x 169 x 223cm
- Floor Area: 1.81m2
- Floor Foot Width: 60cm
- Floor Length X Width: 215 x 107cm
- Packed Dimensions: 11 x 11 x 44cm
- Fly & Poles Weight: 610g
- Vestibule Area: 0.7m2
- Minimum Trail Weight: 1056g
- Weight: 1228g
Materials
Flysheet: Silicone and Polyether Poly-Urethane (Sil-PeU) coated 15D fly fabric provides excellent hydrolytic stability for durable waterproof performance. 1200mm waterhead 15D fly and 2500mm 20D floor, both with fully-taped and waterproof seams.
Poles: DAC Featherlite NFL and PRESSFIT pole sections with varying diameters for maximum strength at minimum weight
Pegs: Strong 7075-T6 aluminium alloy Ground Control Light Tent Pegs provide secure anchoring thanks to the custom TriPoint, multi-notch design






































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