Best in 7 days
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Ships within 48 hours · Estimated delivery Aug 13 - Aug 18
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Description
Sierra Designs FLEX HIKE 20-30L BackpackSierra Designs FLEX HIKE 20 30L Backpack Designed to expand to your ever evolving day venture needs, the Flex Hike is the perfect lightweight backpack for multi sport explorers. The backpacks expanding gussets adjust to carry whatever you need or dont need. Does your pack get lighter throughout the day? Tighten it up as you go. The backpacks dual adjustable shoulder straps create a tailored fit for tall and small alike. Ample stash pockets on the
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
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Best in 7 days
Best in 7 days
Best in 7 days
Best in 7 days
4.8 ★★★★★
Based on 2293 reviews
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Product Reviews
★★★★★ 4
Satisfied
Size: One Size Fits Most, Color: (025) Castlerock / Black / Black
Appreciating it thus far.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on January 14, 2026
★★★★★ 5
Best size
Size: One Size Fits Most, Color: (025) Castlerock / Black / Black
My son loves this cross body bag. It’s the perfect size for him
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Reviewed in the United States on December 28, 2025
★★★★★ 3
Good
Size: One Size Fits Most, Color: (025) Castlerock / Black / Black
Good. Needs improvement in the hangers.
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Reviewed in the United States on August 25, 2025
★★★★★ 5
Good size
How it looks on the model is how it looks in person. The material is lightweight and quality. Enough room for phone and wallet and keys. Adjustable strap works with ease. Under Armour is my favorite athletic brand. They do not disappoint. Love this bag.
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Reviewed in the United States on November 13, 2024
★★★★★ 5
Under Armor for life!
Size: 6.5, Color: (102) White/White/Circuit Teal
Love these! Comfy and fit true to size. Great quality. I wear them pretty much every day. Love the style and functionality!
Would definitely recommend
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Reviewed in the United States on November 6, 2025
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