Sierra Designs Alpha 3 Person Camping Tent

One tent for everything you do? Believe it with the Alpha 3 Convertible, the miracle shelter that goes from four-season to three-season in seconds. With enough room for three tired backpackers, a vestibule with space enough for all the gear, and a reduced weight for 2008, the Alpha 3 is the one tent to throw in the truck for that endless road trip .

Tent Apex Series Technology

Color Coded Webbing

Guides pole placement for speed and ease of set-up

Allows for quick orientation of rainfly set-up (color-coded on stake loops and on rainfly)

Constructed of durable, lightweight nylon

Dye-Free Optic White Canopy

Optic white canopies transmit light more effectively to give a brighter and more pleasant environment for long hours inside tent

Sierra Designs produces the Optic White Canopy™ without the use of chemical dyes

Swift Clips

A Sierra Designs innovation that allows the tent to be staked out before attaching the body to the pole structure

Computer Aided Design

A Sierra Designs system of using Computer Aided Design to make technically superior tents

Allows us to design tents that have a uniform distribution of stress

Nite Ize® Figure 9 Rope Tighteners

Fast and easy, the Figure 9 provides perfect tensioning every time

Simply secure the line through the eye anywhere along the line, pull to adjust tension, and secure

 Clip-Locs

Dynamically locks poles at their intersection

Adds 60% to the tent's strength

Patented and exclusive to Sierra Designs

Shok-Certs

Allows removal of pole sections to reduce weight and to convert from 4-season to 3-season mode

Utilized on our convertible tents

A Sierra Designs patent

DAC® Featherlite NSL Poles

Thicker diameter poles with a thinner wall increases strength and saves weight

Expanded insert combined with a large diameter pole creates a stronger connection point between pole sections

The best strength-to-weight ratio of any tent pole available today

Unique joining insert allows for a cleaner, smoother transition in Reverse Combi Technology™ (RCT)

DAC® has greatly reduced the use of phosphoric and nitric acid in the anodizing process (cleaner manufacturing makes for a cleaner environment)

Reflective Door Binding Tape

By adding wide, reflective binding around the doors, our 4 Season tents provide extreme reflectivity in your head lamps during low visibility conditions

Drizone Waterproof/Breathable Fabric

An exceptional waterproof/breathable fabric at a great value

Waterproofness 18,000mm (Test JIS-L1092)

Breathability 28,000 g/m²/24hrs (Test JIS-1099 -Test Method B-1) allows to escape while keeping Mother Nature's moisture out

Construction: 40D Nylon, 2 Layer Laminate

Already an award winning fabric on our Drizone™ sleeping bag series

Locking Pole Tips

Keeps pole tips locked in grommet for faster, easier set up

Extended pole tips can be found on all 4-Season tents as well as the Tengu 3 and Tengu 2

A Sierra Designs innovation

 

Wind Tunnel Testing

Allows strength testing under extreme wind conditions

Scientifically tested through the University of Washington Aeronautical Laboratory and an independent third party testing facility

SuperSeal Floor

Combines benefits of catenary and bathtub floors

Raised, taped, perimeter seam provides guaranteed waterproofness

Maintains a tighter pitch with a better wind line to prevent flapping

Tent Guard with Ultra Fresh

We begin using Tent Guard with Ultra Fresh in 2004 (a Sierra Designs exclusive at the time!) and with great success. Applied as part of the PU coating to our rain flies, floors and footprints, Tent Guard extends the life of a tent by thwarting mold, mildew and fungus. Particularly on extended trips or in damp climates, Tent Guard protects a tent if it is packed or stored temporarily while wet — another bit of piece of mind for your customers.

Interlocs

Attaches the fly to the tent canopy at each guy-out point to create one integrated structure for added strength

Stabilizes tent by distributing the pull to increase strength in heavy weather

Lightweight Fly Material

40-denier, 1.94oz/ High-Tenacity Nylon with a 246 thread count in a Rip-stop weave

Silicone coating provides additional lightweight, waterproofness and UV protection

1500mm waterproof Polyurethane under coating allows for seam taping and is durable and waterproof

100% waterproof to 80 PSI

Specifications:

Trail Weight 7 lbs 7 oz / 8 lbs 4 oz
Fastpack Weight n/a / 4 lbs 14 oz
Packed Weight n/a / 9 lbs 5 oz
Packed Size 23" x 7"
Number of Doors 2
Interior Area 46 sq. ft.
Vestibule Area 17 sq. ft.
Peak Height 45"
Floor Material 70D Nylon Taffeta, 3000mm
Body Material 70D Nylon Rip Stop
Fly Material 70D Nylon Taffeta, 1500mm
Number of Poles 3
Poles DAC Featherlite NSL, 9.6mm / 9.0mm