SKU: 72921534840

UNUS52 | BACKPACK

Sale price$164.67 Regular price$182.97
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Description

UNUS52 | BACKPACKThe UNUS52 is an ultralight backpack designed for hiking and trekking, weighing only 740g. It features a 42L main compartment with an additional 10L of external expansion, making it ideal for lightweight travelers on 3 to 7 day journeys. Core Fabrics UltraWeave UltraStretch Ultra200X (Main Fabric): Made from UHMWPE fibers (similar to Dyneema), it is several times stronger than traditional nylon. Constructed with a three layer composite structure (X

The UNUS52 is an ultralight backpack designed for hiking and trekking, weighing only 740g. It features a 42L main compartment with an additional 10L of external expansion, making it ideal for lightweight travelers on 3 to 7-day journeys.

Core Fabrics

UltraWeave™ / UltraStretch™

  • Ultra™200X (Main Fabric): Made from UHMWPE fibers (similar to Dyneema), it is several times stronger than traditional nylon. Constructed with a three-layer composite structure (X-ply yarn + waterproof film), it offers lightweight durability, abrasion resistance, and tear resistance.
  • Ultra™400X (Reinforced Base): Provides enhanced abrasion resistance, designed to withstand prolonged ground dragging and friction against rocks.
  • UltraStretch™: A blend of UHMWPE fibers and Nylon 66, delivering high elasticity and durability.

Ergonomic Design | Comfort & Stability

  • The Ultralight Composite Frame System features a dual-track aluminum alloy tube frame (22g each) for a lightweight yet sturdy structure. A carbon fiber rod enhances back panel stability, with adjustable height via the shoulder straps for an optimal fit—perfect for long-distance trekking.
  • EVA High-Support Foam Padding in the shoulder straps and hip belt for enhanced comfort and weight distribution.
  • Elastic Shoulder Strap Pockets for quick access to a water bottle without removing the backpack.
  • X-shaped Hip Belt with an adjustable angle, ensuring a secure fit across different body types. 

 

Multi-Functional Attachment & Storage System
  • UHMWPE Reflective Daisy Chain (Front Sides): Compatible with the AC-K03 bungee cord to secure trekking poles, umbrellas, ice axes, and other gear. The reflective feature enhances visibility and safety at night.
  • UltraStretch™ Fabric Storage (Sides & Front): Convenient for storing rain jackets, insulation layers, water bottles, headlamps, and other frequently used items.
  • Y-Strap Top Compression System: Secures items at the top of the pack with a detachable loop to prevent slipping.

 

Optional Accessories

  • AC-B01 – Detachable Hip Belt Pocket
  • AC-K03 – Elastic Cord Attachment

 

Key Features Summary

  • Total Weight: 740g
  • Constructed with UltraWeave™ / UltraStretch™ Fabrics
  • Adjustable Ultralight Frame System
  • Reflective Daisy Chain 
  • Top Y-Strap Compression System
  • Quick-Access Chest Water Bottle Pocket
  • X-Shaped Waist Belt Buckle
  • Ice Axe Loop

UltraWeave™ Care Instructions
Hand wash only: Do not machine wash UltraWeave fabric. For cleaning, try to wipe off dirt with a towel as much as possible before hand washing.

Specifications

Material | Material Info

Main Fabric: Ultra™200X in Gravel Grey

Bottom: Ultra™400X in Black

Pockets: UltraStretch™ / Nylon Spandex

Shoulder straps & Hip Belt:  210D Nylon with UHMWPE ripstop

Cord:UMHWPE+3M reflective yarn

Webbing:100% Nylon

Frame Material

Carbon Fiber Stay + Aluminum Alloy Tube

Capacity

 


Main Compartment: 42L

Side Pockets: 2x2L

Center Pocket: 6L

 

 Total weight

740g / 26oz

Dimensions


Unpack Hight: 85cm

Width: 29cm

Depth: 18.5cm

Top circumference: 98cm

Bottom circumference: 83cm

size

Straps: 

S/M - 15.5 inch / 39.5 cm (Torse<43cm)

L/XL - 17 inch / 43.5 cm (Torse>40cm)

Torso: 15"~ 20" / 37cm~51cm

HIp Belt: 28"~ 40" / 72cm~102cm

Recommended Comfortable Load

12kg / 26.4lbs


Maximum Recommended Load

18kg / 40lbs

 

Size chart


Unit:inch / cm
Straps(1) Straps(2)

Recommended Torso Length


15"/37 ~ 17"/43

16"/40 ~ 20"/51

Shoulder Straps

Length

15.5"/39.5
 17"/43.5

 

A 160cm tall model uses a 15.5-inch shoulder straps.

A 168cm tall model uses a 17-inch shoulder straps.

A 188cm tall model uses a 17-inch shoulder straps.

 

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: 72921534840

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4.9 ★★★★★
Based on 13 reviews
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Product Reviews
M
Verified Purchase
Mutescape
Massapequa, US
★★★★★ 4
Great Re-release
Color: Stainless Steel/Black/Stainless Steel
So, let’s get my bias out of the way. This was a birth year re-release so I had attachment already. The appearance is so timeless yet you get when it comes from. The case is beveled much like a diamond deconstructed. And the plating is to a mirror finish on top but is brushed on the sides. Really classy. The lens is nice and domed, yes it’s acrylic and will probably get beat up, and a protector is out the window because it’s raised but the dome is such a character in the vibe of this watch. The metal strap is unique both in design and thinness. Now there are some negative reviews on this clasp. It can be finicky, but there is a right and wrong way. Really make sure the two hook tabs are firmly seated on the bar before closing. If the clasp is tappy after clicking it, it is most likely clicked above where it needs to be. Re-seat the hooks and make sure when it clicks in, if you tap the top there is zero rattle. I also suspect people are having issues not properly seating the adjust tab when changing length. You must make sure it is seating between links or it will open on ya… Accuracy wise, and power bank wise it falls shorter than what I am used to. If I don’t wear it after a full day of use and some manual winds even, it only lasts a day - still testing, because I swap out to a Seiko and a Citizen. Nice clicky one way bezel. Lume is pretty 70’s… But this watch is stellar. Timeless yet retro, classy but casual Tee and Jeans worthy. Definite score.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on June 7, 2024
D
Verified Purchase
Daniel Cannon
Phoenix, US
★★★★★ 5
It was $114
Color: Stainless Steel/Blue/Stainless Steel
Very good quality for the price point accurate time piece very comfortable and durable accuracy is A1
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 10, 2026
N
Verified Purchase
Noah
Carnegie, US
★★★★★ 5
Snoopy Pepsi
Color: Stainless Steel/Blue/Stainless Steel/red-blue, Color: Stainless Steel/Blue/Stainless Steel/red-blue
Such a sharp looking watch!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on January 27, 2026
R
Verified Purchase
Robert ODonnell
Port Orchard, US
★★★★★ 1
Poor design and final product
Color: Stainless Steel/Black/Stainless Steel/Red Black
The watch looks nice. That is the only good part. It works by being wound by motion when one wears it. Should I do jumping jacks to keep it wound? I dont sleep with it on! Every morning it is not running and the date is wrong until it gets shaken. The band is hard to get it on and hard to get it to come off. It sometimes falls off though. I was trying to replace my older Timex watch and now I am back to wearing the old one that never had these problems.
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Reviewed in the United States on May 23, 2022
A
Verified Purchase
Apple Tree
Chelsea, US
★★★★★ 5
Love it! Though overpriced at MSRP
Color: Stainless Steel/Blue/Stainless Steel/red-blue, Color: Stainless Steel/Blue/Stainless Steel/red-blue
I love this watch! I had it in my cart for weeks, waiting for an excuse to buy it. The thing holding me back was the $299 MSRP and price on Amazon. I noticed it went down to $200 while I was shopping on Amazon, so I immediately completed the purchase. At Grey Market retailers, this goes for about $160 (which I think is the perfect price). Unfortunately the Snoopy edition proved difficult to find at that price as it was sold out everywhere. Even sold out on the Timex website at $299. I still recommend it, but it's all about what you're willing to pay. For me, $200 was an acceptable price and worth it to me. As a snoopy lover, I'll give this to my kids one day! Not a doubt in my mind it won't last for a very long time as it uses a Citizen movement!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on June 30, 2024

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