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Innovations & Features

Mesh Rooms Mesh Rooms
  • Full, no-see-um, mesh rooms keep food and kids away from bugs and critters
  • The Bedouin Annex is a single tent with a permanently attached mesh bug room
  • The Moken 4 and Moken 6 Mesh Rooms are sold as accessories to fill the common area
  • Both rooms can be fully covered by the rain fly to allow more sleeping areas when needed
Available on:

Bedouin Annex 4+2
Moken 4
Moken 6
Optic White Canopy
Green Effect
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
Available on:

All Sierra Designs tents
except Convert 2, Assailant 1, Sirius 2 and Sirius 3
hub Quick Pitch Swivel Hub™ with H-Clip™
  • The Quick Pitch Swivel Hub™ is updated with an increased angle of rotation, which helps reduce the possibility of pitching errors and aids in the speed of the pitch
  • The tent body features the new H-Clip™, which easily connects to the bottom of the hub to tension the peak of the tent
Available on:

Asp 2
Asp 3
Velox 1
Velox 2
Velox 3
Anu 2
Anu 3
Internal Jake's Corners Internal Jake's Corners™
  • By moving the Jake's Corners™ to the inside of the tent, the set up can be finished inside the tent and out of the weather
  • Eliminates pole rotation that can lead to pole failure in extreme conditions
  • Allows for a smaller overall footprint without sacrificing usable space
  • Lightweight, removable, patented and exclusive to Sierra Designs
Available on:

Convert 2
Internal Pole Sleeves Internal Pole Sleeves™ with External Pole Feed™
  • A fast and convenient pole set up that can be completed without the need to move around the tent
  • An important feature for set up on tight edges.
Available on:

Convert 2
reflective door tape 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
Available on:

Convert 2
Assailant 1
Stretch Tiros 2
rope tighteners 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
Available on:

All 4 Season tents
Also included as part of the Reflective Guy Line Kit
Stake Loops and Vestibule Stake Out Tensioners UL Stake Loops and Vestibule Stake Out Tensioners
  • Lighter than webbing stake out loops
  • Made from 3mm, reflective, cord and color coded to the fly to ease set up
  • The ultralight line locks are small and compact yet cinch down fast and tight
Available on:

All Ultralight tents
and Origami tarps
s-stopper S-Stopper™ with H-Clip™
  • An innovative way to tension the ridgepole and body while keeping the pole safely out of the way
Available on:

Electron RC 2
Antares 3
Swivel Hub Brow Connector Swivel Hub Brow Connector™
  • A small and super light pole connector that replace heavier and bulkier pole buckets
  • Allows brow poles to connect to the main poles instead
Available on:

Anu 2
Anu 3
Featherlite NSL Poles
Green Effect
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)
Available on:

Antares 3
Velox 1
Velox 2
Velox 3
Lightning 2
Stretch Prelude 4
Stretch Dome 3
Stretch Tiros 2
Convert 2
Assailant 1
Alpha 3
Omega 2
Asp 2
Asp 3
Tengu 2
Tengu 3
Electron RC 2
Reverse Combi Technology
Gear of the Year 05
Reverse Combi Technology™
  • An award winning variable pole diameter system creates close to 50% more livable space
  • Thicker diameter pole sections are used in the center where strength and stability are needed most
  • Thinner diameter pre-bent pole sections are used on the ends, creating steeper walls for more livable space than a typical X-tent
Available on:

Asp 2
Asp 3
Tengu 2
Tengu 3
Antares 3
Electron RC 2
Locking Pole Tips 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
Available on:

All Sierra Designs tents
Swift Clips Swift Clips™
  • A Sierra Designs innovation that allows the tent to be staked out before attaching the body to the pole structure
Available on:

All Sierra Designs tents
except Convert 2 and Assailant 1
Clip-Locs Clip-Locs™
  • Dynamically locks poles at their intersection
  • Adds 60% to the tent's strength
  • Patented and exclusive to Sierra Designs
Available on:

Mothership 8
Stretch Prelude 4
Stretch Dome 3
Stretch Tiros 2
Alpha 3
Omega 2
Tengu 2
Tengu 3
Moken 4
Moken 6

Cam Locs Cam-Locs™
  • Locks poles in place at the point of suspension
  • Increases strength by 12%
  • Improves overall tent rigidity
  • Patented and exclusive to Sierra Designs
Available on:

Clip Flashlight 2
Interlocs 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
Available on:

All 4 Season tents

Also available on:
Tengu 2
Tengu 3
Shok-Certs 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
Available on:

Omega 2
Alpha 3
Drizone fabric 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
Available on:

Assailant 1
Convert 2
Navassa Bivy
Zagori Bivy
Lightweight Fly Material 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
Available on:

All 4 Season and
Ultralight tents


Also available on:
Convert 2 Vestibule
Light Year 1
Clip Flashlight 2
Tent Guard 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.
Available on:

All Sierra Design tents
Superseal Floor 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
Available on:

All Sierra Designs tents
except Meteor Light 2
Air Flow Vents Air Flow Vent System™
  • Allows the air to circulate throughout the tent when needed
  • Angled design with mesh backing so rain or snow will not get in
  • All vents can be accessed from inside the tent
Available on:

Mothership 8
Convert 2
Assailant 1
Moken 4
Moken 6
Sew Free Welded Windows Sew-Free Windows™
  • Utilizes bonded tape to create a stronger, lighter window than traditional sewn-and-sealed versions
  • Allows windows to be placed in the most optimal location on a tent fly
Available on:

Stretch Prelude 4
Stretch Dome 3
Stretch Tiros 2
Convert 2
Tengu 2
Tengu 3
Moken 4
Moken 6
Bedouin Annex 4+2
Color Coded Webbing 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
Available on:

All Sierra Designs tents
Computer Aided Design 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

Wind Tunnel Testing 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
Tents that are currently in the line and have been wind tunnel tested:

Assailant 1
Stretch Dome 3
Stretch Prelude 4
Alpha 3
Omega 2
Clip Flashlight 2

Welded Construction
  • Welded proof construction
  • Creates a stronger, fully waterproof seam
  • No need to worrry about condensation or dew
  • Ideal construction for use in an emergency bivy and/or snow cave
Available on:

Zagori Bivy

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