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Dual Entry
Convenient access from the side and front, with flexible pitching options. -
Refined Geometry
Optimized floor plan and canopy shape balance usable space with a compact footprint. -
Adjustable Pitch
Fine-tune height for greater coverage or increased airflow. -
Wind Stability
Tapered profile and aggressive curvatures create a taut, wind-shedding pitch. -
Modular System
Works seamlessly with either the Y-Zip Bug Bivy or 1P Bug Shelter. -
Double-Wall Efficiency
Mitigates condensation while maintaining excellent ventilation.
Pay in installments of $5.51 with
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Shipping Estimate
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- USA
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Ships within 48 hours · Estimated delivery Jul 4 - Jul 9
Promo Codes Available:
For Your Every Summer RSVP, with Code: SUMMER15
Description
cirriform tarp 1P Cirriform Double-Wall SystemThe Cirriform, available with your choice of inner This double wall (DW) system pairs the 1P Cirriform with your choice of the 1P Bug Shelter or Y zip Bug Bivy. Buying the system saves you money compared to buying the components separately. You'll also get an extra stuff sack big enough to fit both items, and we'll pre install all the rigging for you. NOTE: Closeout Cirriforms are available here. They had too much coating applied and are heavier than
The Cirriform, available with your choice of inner
This double-wall (DW) system pairs the 1P Cirriform with your choice of the 1P Bug Shelter or Y-zip Bug Bivy.
Buying the system saves you money compared to buying the components separately. You'll also get an extra stuff sack big enough to fit both items, and we'll pre-install all the rigging for you.
NOTE: Closeout Cirriforms are available here. They had too much coating applied and are heavier than stock.
Description
Learn about the 1P Cirriform DW
At the end of a long day, setting up your shelter should feel straightforward and sure - fast to pitch, solid in wind and rain, and dependable as the light fades. Designed around real trail experience, the Cirriform DW pairs the Cirriform tarp with your choice of inner - the Y-Zip Bug Bivy or 1P Bug Shelter - for a modular, double-wall (DW) setup that's balanced, capable, and trustworthy.
Refined by Experience
Every curve, angle, and stitch of the Cirriform DW has been shaped by years of real trail use - by YAMA and by thru-hikers who've relied on it through wind, rain, and long miles. It's not about chasing the lowest weight; it's about making thoughtful choices that enhance performance, stability, and ease of use.
Dual entry
The dual-entry design offers side access for fair-weather convenience and front access for protection during poor weather or high condensation.
Adaptable and Modular
The Cirriform DW system lets you choose the setup that fits your needs:
- Y-Zip Bug Bivy: Minimalist protection with the smallest footprint and lowest weight
- 1P Bug Shelter: Added room and flexibility for extended trips or variable conditions
Made in Vietnam and field-tested in Montana
Specifications
Weight
With Bivy
- Tarp: 332g | 11.7 oz
- Bivy: 210g | 7.4 oz
- Rigging: 67g | 2.3 oz
- 3 Stuff Sacks: 28g | 1.0 oz
- Total Packaged Weight: 637g | 22.4 oz
With Bug Shelter
- Tarp: 332g | 11.7 oz
- Bug Shelter: 278g | 9.8 oz
- Rigging: 70g | 2.5 oz
- 3 Stuff Sacks: 30g | 1.0 oz
- Total Packaged Weight: 710g | 25.0 oz
Total Packed Size
- With the Bivy: ~10.5" x 7" x 4" | ~27cm x 18cm x 10cm
- With the Bug Shelter: ~10.5" x 7" x 5" | ~27cm x 18cm x 13cm
Cirriform Tarp Dimensions
- Packed size: ~10" x 7.5" x 2" | ~25.5cm x 19cm x 5cm
- For overall dimensions of this tarp, please see the diagram which depict common dimensions for various pitches.
Click to enlarge
Bivy Dimensions
- Length: 86" | 218.5 cm
- Height at head: 23" | 58.4 cm
- Height at foot: 16" | 40.6 cm
- Width at head: 34" | 86.4 cm
- Width at foot: 26" | 66.0 cm
- Tub height: 5" | 12.7 cm
- Packed size: ~9" x 5.5" x 2" | ~23cm x 14cm x 5cm
Click to enlarge
Bug Shelter Dimensions
- Length: 88" | 223.5cm
- Height at head apex: 42" | 107.0cm
- Height at foot apex: 22" | 56.0cm
- Front width: 36" | 91.5cm
- Rear width: 28" | 71.1cm
- Tub depth: 8" | 20cm
- Floor area: 19.6ft2 | 1.8m2
- Zipper length: Full width @ front, ~2/3 length along side, full height to apex
- Packed size: ~11" x 7" x 2" | ~28cm x 18cm x 5cm
Click to enlarge
Durable, Lightweight Materials
The Cirriform DW is made from durable, recycled 20D Silpoly - a lightweight fabric chosen for its reliable performance in outdoor environments.
Tarp: Recycled, 20D Silpoly
Silpoly absorbs less water than silnylon, reducing added weight, and lower sag ensures the tarp stays taut through the night.
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- Weight: 40-41 gsm | ~1.2 - oz/yd2
- Hydrostatic Head: ~1800mm
- Outer face coating: Silicone-based
- Inner face coating: Silicone-based
- PFAS Free: Yes
- Taped Seams: Not taped - Seam sealing is required
- Color: Shark gray
Floor: Recycled, 20D Silpoly
PeU-coated on the interior for improved puncture resistance and reduced slipperiness.
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- Weight:~45 gsm | ~1.23 oz/yd2
- Hydrostatic Head: ~2500mm
- Outer face coating: Silicone
- Inner face coating: PeU
- PFAS Free: Yes
- Taped Seams: Yes
- Color: Shark gray
Canopy: Ultralight, no-see-um mesh
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- Weight:~17 gsm | ~0.5 oz/yd2
- Material: Nylon
- PFAS Free: Yes
- Color: Black
Components:
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- Zipper: YKK, Size #3
- Webbing: Recycled Nylon
- Reflective webbing: Polyester
Required items (not included):
The items needed to pitch your shelter will vary depending on your approach.
- Front Pole: About 44" - 45" (~111 - 114 cm) when pairing with the Bug Shelter or 39" - 42" (~99 - 107cm) when pairing with the Bivy
- Rear Pole: At least 31" (~79cm) when pairing with the Bug Shelter or at least 26" (~66cm) when pairing with the Bivy
- Stakes: 6 (8 for better wind stability)
- Rigging: If you plan to pitch the inner on its own (not under the Cirriform), you will need additional guyline or our Stand-alone rigging kit. If using tent poles or trekking poles without baskets, you may also need two of our guyline grommets (not needed with stand-alone kit).
Notes/FAQ:
- Do I need a groundsheet? A groundsheet is not required, but using one will help extend the life of any floor.
- Do I need to seal the seams? Tarp seams should be sealed using a sealer for silicone coated fabrics (we recommend Seam Grip +SIL by Gear Aid). Optional seam sealing service available. Floor seams are factory-taped and don't require sealing.
Pitching
How to pitch
Start by staking out the corners of the tarp to establish your base. Raise the poles at the peaks and stake them to form the shelter's shape. Adjust and tension the lines evenly for a tight, balanced pitch. Once the outer is secure, attach the inner by clipping the corners and apexes to the tarp. When breaking camp, leave the inner and outer connected so your shelter is ready for a quick, seamless setup next time.
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.1 ★★★★★
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Product Reviews
★★★★★ 5
Great xmas gift
Format: Paperback
Kids have read this book so much, it's falling apart... and they still love it! I've even gone through it several times myself. I'm happy.
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Reviewed in the United States on May 16, 2012
★★★★★ 5
Read during irma
Format: Paperback
Hurricane irma took out my power for a couple days, I use to collect simpsons comic books so I spent the days reading them again, this is honestly one of my favorite books, it has high quality printing and I love the simpsons rendition of old fables, If your looking to start to buy comic books this one is a great beginner book.
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Reviewed in the United States on September 11, 2017
★★★★★ 4
"I ordered Christian fairy tales on the internet and they sent me Hans Christian Andersen ones by mistake!"---Ned Flanders
Format: Paperback
As was first done with "Simpsons Comics Hit The Road," "Simpsons Comics Get Some Fancy Book Learnin'" actually follows the theme of the title and cover art. All the comics have the Simpsons characters portraying figures in literature from Greek Mythology to Shakespeare. The longer comics are very well done but some of the shorter ones at the end fall flat. Still, I enjoyed this change of pace from the usual Simpsons comics. It offers a very clever use of characters.
"Greek To Me"--Homer plays, well, Homer (the Greek poet) who tells four stories to a gathering of children. The first is "The Labors of Hercules" with Bart as Hercules. He only completed 10, but hey, 10 out of 12 is a B+ which is the best grade Bart ever got. In the second story, Homer is Hades who abducts Marge...er, Persephone...and is taken to court over it. In the third story, Selma is Medusa and Perseus (Bart) has to cut of her head or face 100 years detention. Finally, Homer tells a string of Aesop's Fables like "The Fox and the Grapes," "The Tortoise and the Hare," and--my favorite--"The Ant and the Grasshopper" where Homer is the grasshopper and Flanders is a hilarious-looking ant! There are a lot of clever lines in this one, especially Barney as Oedipus.
"Pandora, Jr."--A 5-page comic with Lisa explaining the story of Pandora's Box to Maggie. Maggie doesn't learn the lesson.
Fairy Tales--Ralph plays Humpty Dumpty in a 2-page short, then there are a string of Hans Christian Andersen tales that Lisa saves from the Flanders's book burning BBQ. Lisa reads the stories to Rod and Tod. There is "The Little Mermaid", "The Prince and the Pea" (featuring Smithers and Mr. Burns), "The Shadow" (featuring the Comic Book Guy), "Thumbelina", and "The Story of a Mother." My favorite is "The Ugly Duckling." I like the scene where Marge the swan takes in the ugly duckling Bart saying, "It's not like I haven't compromised before," while watching a fat Homer swan swigging beer and burping.
Arabian Tales--Dunyazad (Marge) tells King Shahryar (Moe) stories to keep from being put to death. The first one is the best. Ned Flanders is Aladdin who finds a lamp containing an incompetent genie (Homer). His wishes grant him an all-you-can-eat buffet and go-go bar and an angry wife Maude brought from the dead in skeleton form. The other stories are "Apu Baba and the Four Thieves" and "Sinbart The Sailor."
Shakespeare--Plays parodied are "Antony and Cleopatra," "Julius Caesar," "Henry V," "Romeo and Juliet," "The Two Gentlemen of Verona," "Richard III," "Titus Andronicus" (in Itchy and Scratchy cartoon form), and "King Lear." Most of these, in terms of punch lines, are pretty weak.
Bible Stories--Bart tells Rod and Tod some Bible stories to calm them down after they find out Sunday School is canceled. The stories parodied are "The Prodigal Son," "Abraham's Sacrifice," and "Noah's Ark." These comics were, on the whole, funnier than the Shakespeare ones.
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Reviewed in the United States on December 17, 2010
★★★★★ 4
An enjoyable Simpson Comic
Format: Paperback
Now this is a fun book. It largely uses the same tv formula of irreverent humor to poke fun at the classics. The Simpsons and their extended family in Springfield play all the roles to perfection.
The only thing that stops me from giving this a 5 star rating is that there are too many stories and they all seem slightly short and episodic.
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Reviewed in the United States on May 20, 2013
★★★★★ 5
A great way to introduce the classics to your kid
Format: Paperback
I mean it. It's very funny, yet introduces a number of important stories and characters from greek mythology and the Bible right though to Shakespeare. Will be funnier when my son reads the actual stories these are based on. A whole lotta compare and contrast will ensue, I imagine. I think it will pique his interest in the classics.
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Reviewed in the United States on January 24, 2013