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  • Sierra Designs - Flash 2 FL Tent: 2-Person 3-Season -
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  • Sierra Designs - Flash 2 FL Tent: 2-Person 3-Season -

Sierra Designs Flash 2 FL Tent: 2-Person 3-Season

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3 Reviews


Luxurious and light.

Sierra Designs took its most advanced two-person tent and lightened it up for all you ultralight backpackers. What makes the Flash 2 FL Tent superlight is its external frame and hybrid wall construction, which blends the benefits of both double-wall and single-wall construction, so you get a tent that's as light as a single-wall yet weather-protective like a double-wall. This innovative design also helps you set the tent up quickly in bad weather, and its steep walls and high ceiling give more space than conventional backpacking tents without any added weight. In fact, both doors are wide enough for you and your backpacking buddy to sit side by side and cook some food or enjoy the view when the weather's too dank for you to be outside. Even the gear closets have more room than you'd expect, with enough room for a pack and several pairs of shoes. To enhance your comfort, both closets are at opposite sides to the doors so you don't have to climb over all your gear to get in and out.

Sierra designs built both the fly and the floor out of ripstop fabric for durability without the weight, and the body features no-see-um mesh that provides an ample amount of airflow for those warmer nights. The thin DAC NFL poles are surprisingly strong for how light they are, and the 15-inch integrated awning poles maximize the tent's space without adding the weight of another support pole.

  • 20D ripstop fly with silicone coating (1200mm)
  • 15D nylon no-see-um mesh walls
  • 20D polyester ripstop floor with PE coating (3000mm)
  • DAC NFL aluminum poles
  • Two-person capacity
  • 3lb 9oz trail weight
  • Large double drop doors
  • Integrated awning poles
  • Hybrid double/single walls
  • Item #SDS003S

Tech Specs

[fly] 20D polyester ripstop, silicone coating (3000mm), [body] 15D no-see-um mesh (nylon), [floot] 30D nylon ripstop, polyurethane coating (1200mm)
Wall Type
DAC NFL aluminum
Number of Doors
Number of Vestibules
Vestibule Space
5 cu ft
Interior Height
43 in
Floor Dimensions
86 x 50 in
Floor Space
30 cu ft
Packed Size
43 in
Trail Weight
3 lb 9 oz
Packed Weight
4 lb
Recommended Use
camping, backpacking
Manufacturer Warranty

Tech Specs

  • Reviews
  • Q & A

What do you think about this product?

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Easy to setup, Spacious, light, Strong

  • Familiarity: I've used it several times

I took this tent to Iceland for 10 nights trip. Very easy to setup this tent. It took literally 5 minutes. It is very helpful when it is pouring every night. Tent stayed dry every night, no water in the tent with Iceland rain. This tent stayed strong against Iceland wind. Stake is light and strong.
I liked the side storage space where we kept our roller bag and our hiking shoe. This is my go to tent now.

A rare miss

  • Familiarity: I've used it once or twice and have initial impressions

SD makes some killer gear(Flashlight 2, for instance) but the Flash 2 is... well. It's has two doors, which is cool. Solid ventilation. Some vestibule space on either side. The zippers on either entrance were confusing, as were the poles. Maybe confusing isn't the right word. Annoying, I guess. The awnings especially, although I'd probably get used to them eventually. Set up would definitely be quicker with two people, since all the poles are attached and you're trying to get either long wall going at the same time. Double gear pockets were a plus and the tent LOOKS great... But all things considered you can get lighter tents for a better price. If you're looking for an ultralight backpacking tent I'd love to answer your questions!

A rare miss

Nice tent but needs to be staked out.

    I was rather disappointed to learn this tent must be staked out in order to sleep in. Upon setup in my basement the tent closed in on itself because it was not staked. I called Sierra to make sure I was setting up correctly. They affirmed it was correct so this is not a

    Free standing tent ! They said its a mistake on behalf of there Marketting??

    Sort of...I'm not sure how you had it collapse on yourself, but it is freestanding. The portion that you must stake out are the gear closets, which effectively are vestibules. The tent floor itself is freestanding.

    It's semi-freestanding. When you set up the tent with it not staked out the corners will come towards each other (there is no pressure to push the corners of each door away from each other). It will stand up, but in order to utilize the space, the corners need to be pulled out.

    There are two types of flash 2 tents. One is a “Flash 2” and the other is a “Flash 2 FL”
    The FL is “feather light” which is more expensive but lighter. The FL is NOT a “freestanding” tent, however the non FL is a “freestanding tent.” Hope this helps

    What's the weight of the tent body vs the weight of the poles (with stuff sacks included) - would be nice to know the weight distribution for two hikers.


    Here are the weights for the different groupings.

    Poles: 24 oz

    Stakes, guy line and little stuff sack: 6.4 oz

    Tent/fly and main stuff sack: 38.4 oz

    More questions? Just call or email me, directly.