SKU: 26867402149

Syclon XP 40

Sale price$151.88 Regular price$168.75
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Ships within 48 hours · Estimated delivery Aug 13 - Aug 18

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Description

Syclon XP 40Every gram of the Syclon XP has been carefully considered, shaving weight wherever possible to create an ultralight pack for minimalist hikers. Weighing in at under 900g, its also fully waterproof and tested to IPX4, which further reduces weight by eliminating the need for dry bags or a rain cover. The body contouring, ventilated AEROFIT carry system allows plenty of airflow to your back and provides a seamless fit, keeping you comfortable and your

Every gram of the Syclon XP has been carefully considered, shaving weight wherever possible to create an ultralight pack for minimalist hikers. Weighing in at under 900g, it’s also fully waterproof and tested to IPX4, which further reduces weight by eliminating the need for dry bags or a rain cover. The body-contouring, ventilated AEROFIT™ carry system allows plenty of airflow to your back and provides a seamless fit, keeping you comfortable and your load stable at fast paces and over long distances. Ready for the range of conditions you might encounter on the mountain from high heat to driving rain, the Syclon XP is built for alpine hut-hopping and thru-hiking long-distance trails.

  • Waterproof main compartment designed to keep your kit dry in heavy rain, with waterproof fabric and taped seams
  • Roll top entry allows the pack to expand and compress as you work through your supplies
  • Seamless comfort with a ventilated, body-hugging AEROFIT™ back system that encourages warm air to escape
  • The zipped rear compartment is great for your water bladder or for keeping a wet shell separate to your dry gear
  • Handy front stash pocket and side water bottle pockets, made from a robust, durable fabric
  • Access essentials on the move with easy-reach chest strap storage, hipbelt pockets, and space for a soft flask
  • Fix your walking poles to the pack using the attachment points when you need hands free
  • Cinch the pack secure with the side compression, and base compression that doubles as storage for your sleep mat or tent
  • Weight: 1 lb 15.3 oz/890g (Size M-L)
  • Main fabric: 40D high tenacity nylon (100% recycled)
  • Secondary fabric: 100D (85% recycled) high tenacity nylon with Spectra® Ripstop
  • Fabric lining: 100% 210D Nylon
  • Volume: 40L / 2441 cu in
  • Dimensions: 63 x 34 x 28 cm
  • Back system: AEROFIT™
  • Back length: 19-20" / 46-51 cm
  • Product code: QAQ-22

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. 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
SKU: 26867402149

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4.6 ★★★★★
Based on 27 reviews
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Verified Purchase
The happy baker
Alexandria, US
★★★★★ 5
Great sock liners
Size: Medium, Color: (001) Black / Black / Pitch Gray
Awesome socks. Has little gel pad on top of heel for no slip. Thin and comfortable. Previously Purchased at Nordstrom rack and no longer in stock. Happy to find here Note: Will shrink a little best to air dry
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 16, 2026
K
Verified Purchase
kkl
Boise, US
★★★★★ 5
Very good product
Size: Medium, Color: (001) Black / Black / Pitch Gray
I purchased these to wear inside lowcut slip on casual shoes, I don't particularly like to not wear socks in my shoes for hygienic reasons. Prior to purchasing these socks, all I could find were those made of very light beige hosiery type material , and my slip on shoes would slide around a bit. These are light weight and breathable athletic type material, with a very good gripper strip at the heel. One pair of my slip on casual shoes have a particularly lower cut in the toe area, but the shoe is black and I chose the black color and though I see a hint of the sock there, it matches and does not detract from the look of the casual solid black shoe
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 15, 2026
A
Verified Purchase
Anna Wylda
Lowell, US
★★★★★ 5
They stay out! No more sock wads!
Size: Medium, Color: (100) White / White / Mod Gray
Best no show socks ever made!!!!! I've been struggling for 2 years to find ones that actually stay on your foot, even other national brands, and I just became content wearing my sneakers without socks. They ALWAYS slid down into my show & I ended up walking on a wad of sock until I could fix it...or usually just took them off after a couple of tries. Enter Under Armor!!! They a mid weight, but not very thick & still breathable. They work too by actually staying on your foot! Not once have they slid down into my show!! Very comfortable but they could be a little more affordable.
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Reviewed in the United States on August 1, 2025
R
Verified Purchase
Rebekah
Natrona Heights, US
★★★★★ 5
Love!
Size: Large, Color: (100) White / White / Mod Gray
Ive tried so many no show socks but I love these. This is the 3rd set I've bought. They never slip off and the material is thin and breathable. Perfect for working out.
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Reviewed in the United States on March 2, 2026
B
Verified Purchase
Becky
Lowell, US
★★★★★ 5
True no-show socks that don’t slide down!
Size: Medium, Color: (100) White / White / Mod Gray, Size: Medium, Color: (100) White / White / Mod Gray
This is the first pair of no-show socks I’ve tried that actually don’t slide down into my shoes. Trust me… I have tried lots of different pairs and this is the one! They fit perfectly. They’re not too thick and they’re obviously durable because I wash them after each wear, so daily.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 21, 2026

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