SKU: 14745356217

Sierra Designs 7-10 Flex Lumbar Waist Hydration Pack

$185.85 $206.50
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Ships within 48 hours · Estimated delivery Jul 31 - Aug 5

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Description

Sierra Designs 7-10 Flex Lumbar Waist Hydration PackThe Sierra Designs 7 10 Flex Lumbar Waist Hydration Pack Small in size but mighty in skill, the Flex Lumbar 7 10 pack is a versatile companion designed to take weight off your back and onto your backside. Ideal for day hikes, bike rides, and casual outings, this pack is a hip sized version of the renowned Flex Capacitor backpack. With the innovative expanding gusset, you can effortlessly adjust the carrying capacity to suit your needs. Whether you

The Sierra Designs 7-10 Flex Lumbar Waist Hydration Pack

Small in size but mighty in skill, the Flex Lumbar 7-10 pack is a versatile companion designed to take weight off your back and onto your backside. Ideal for day hikes, bike rides, and casual outings, this pack is a hip-sized version of the renowned Flex Capacitor backpack. With the innovative expanding gusset, you can effortlessly adjust the carrying capacity to suit your needs. Whether you need extra space for bulky layers, snacks, or trail accessories, or wish to stabilize smaller loads, the Flex Lumbar 7-10 has you covered.

Featuring stretch mesh water bottle pockets, a zippered valuables pocket, and dual compression straps to stabilize your load, this pack offers both functionality and comfort. The plush padding on the hip belt straps ensures on-trail comfort, making it an excellent choice for a wide range of body shapes. The vertically expandable volume allows for flexible storage options, while the hidden top zipper adds to the pack's versatility.

Specifications:

  • Capacity: 7-10 liters
  • Weight: 0.34 kg
  • Hip fit: 132 cm max
  • Dimensions (H x W x D): 20.3 x 35.6 x 15.2 cm
  • Material: 100D Nylon-Poly Ripstop
  • SKU: 80711620PT

Whether you are a seasoned adventurer or a casual explorer, the Flex Lumbar 7L-10L Backpack Bag offers the perfect blend of functionality and comfort. Take on your next outdoor adventure with confidence, knowing that this pack is designed to meet your needs while keeping you comfortable on the trail.

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: 14745356217

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4.5 ★★★★★
Based on 16 reviews
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Product Reviews
A
Verified Purchase
Anna
San Leandro, US
★★★★★ 5
Nice mask! Caviar
Scent: PDRN, Size: 4 Count (Pack of 1), Scent: PDRN, Size: 4 Count (Pack of 1)
The first 3 pictures were taken after the first hour and a half. The second 3 pictures were taken at 2 hours. The mask had a hard time dissolving underneath my eyes and around my chin area mostly but everywhere else it hardened within the first hour or so. I will try to wear it for longer than 2 hours next time. To see if that changes, but my skin feels really nice right now. It's a little sticky, but it looks healthy and has a nice glow. Application is easy. I love that its separated into 2 parts. Doesn't fit well around the nose between the eyes and doesn't cover my entire face but its a great mask. I tried the caviar one this time. I have the collagen ones as well but these have better reviews. They seem to work effectively, for a nice glow and self pamper session.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 5, 2026
M
Verified Purchase
Mom who does everything
Battle Creek, US
★★★★★ 5
My Favorite Mask
Scent: Collagen, Size: 4 Count (Pack of 1)
I’ve been really impressed with this Bio-Collagen hydrogel mask! It feels incredibly cooling and soothing on the skin, especially after a long day. The overnight wear is a huge plus—you wake up with your skin feeling noticeably more hydrated, plump, and smooth. It doesn’t feel heavy or sticky, and it stays in place better than most sheet masks. After a few uses, I’ve noticed my skin looks more refreshed and even, and my pores appear a bit more minimized. It’s a great option when your skin needs a little extra boost or before an event when you want that “glow.”
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 5, 2026
A
Verified Purchase
Ashley
Battle Creek, US
★★★★★ 4
Woke Up Glowing ✨ (But Sleeping In It Is a Stretch lol)
Scent: Collagen, Size: 4 Count (Pack of 1)
I was honestly impressed with this mask! It feels super soft, cooling, and refreshing while wearing it. The jelly texture makes it feel really hydrating and luxe, like a mini spa night at home. My skin looked smooth, plump, and GLOWING the entire next day after I took it off. Like… noticeably radiant. I also have sensitive skin, so I was a little nervous trying it at first, but I didn’t have any irritation or reaction at all. My skin felt calm, hydrated, and refreshed afterward. One thing I actually liked was that the mask was easy to customize a little. I have a nose piercing, so I just tore a small piece near my nose so it would fit comfortably without irritating it. The material held up perfectly, so that was a nice bonus for anyone with piercings or who just needs a better fit in certain areas. My only complaint is the “sleep in it” part of the instructions. I personally don’t see how that’s possible 😅 The mask stays pretty moist and jelly-like the whole time, so it felt uncomfortable to lay down in and I kept feeling like it would slide around. I ended up just wearing it for a while before bed instead. Overall though, the results were worth it and I’d definitely use it again for the glow alone!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 3, 2026
A
Verified Purchase
Amy Marie Anderson
Lake Worth, US
★★★★★ 5
Absolutely amazing masks!!!
Scent: Collagen, Size: 4 Count (Pack of 1)
These masks are beyond amazing! I use one once a week and leave it on overnight after completing my p.m. skincare routine and wake up to smooth, plump, moisturized, and absolutely glowing!! I have extremely sensitive skin and eyes and these masks do not bother me at all. No burning in my eyes and no irritation of the skin. My deep wrinkles seem a lot less pronounced and some of my more fine lines almost disappear for 24 hours after using this mask. They are simple to use and adhere to the skin perfectly even after applying serums and moisturizers. Once the mask is completely absorbed and becomes clear it peels of the skin with ease. Based on the quality of these masks I am shocked by the low price, it is such a great value for your money. This Mask has become a staple in my skincare routine and I will continue to purchase these!!
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Reviewed in the United States on May 10, 2026
T
Verified Purchase
Tara Rekatsinas
Carnegie, US
★★★★★ 5
instantly more hydrated + glowy skin
Scent: Collagen, Size: 4 Count (Pack of 1), Scent: Collagen, Size: 4 Count (Pack of 1)
I love this mask. It’s one of those products you can actually see a difference with right after using it. It really helps with: 1. Deep hydration – my skin feels plump and moisturized, not dry or tight 2. Smoother texture – it softens everything and makes my skin feel really smooth 3. Glow/brightness – gives that fresh, healthy glow without looking greasy How I use it: I apply it on clean skin (usually at night), leave it on as directed, and let it fully absorb before removing. I like using it when my skin feels dull or dry and want a quick reset. Overall, it’s super easy to use and makes my skin look more refreshed every time. Definitely a go-to for me.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 28, 2026

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