Sea to Summit
QuickRatey Score
Composite of certifications, ingredient analysis, and sustainability practices.
Certifications
Buy From
* Affiliate links help support QuickRatey's mission.
Customer Rating
Best for
Ideal for frequent flyers who want to pack less but carry more, and ultralight travelers seeking organization.
Sea to Summit Spark Sp II 28L Pack: worth it for lightweight, ultralightweight travelers seeking space and organization.
Each pillar is independently scored from public certifications, ingredient/material sourcing, and brand disclosures, then averaged into the composite QuickRatey Score above.
The Sea to Summit Spark Sp II 28L Pack is an excellent choice for lightweight, ultralightweight travelers needing ample space and organization. The Spark Sp II is like having a compact backpacking pak that expands to a 28L travel pack, making it best for frequent flyers who want to pack less and travel lighter.
\The frequent flyer who wants to pack less but carry more, the experiential traveler seeking lightweight gear, and the backpacker needing a versatile, expandable pack.
\| Material | Silnylon & YKK buckles |
|---|---|
| Size/Capacity | 28 liters (expandable) |
| Origin | Made in Vietnam |
| Packaging | Minimal, eco-friendly packaging |
| Weight | Under 1 lb (425g) |
-compact backpacks like the Matador SEG28 or Tortuga Travel Backpack 40L offer more space but less expansion capabilities.
\\Verified buyer: 'Excellent product! Expanded capacity is a huge advantage, sure beats luggage fees and heavy backpacks.'
exceptionality eco-conscience: repairably constructed, eco-friendly materials, B corp certified, fair trade, and FSC certified.
\Maximize expansion by using both compression straps.
Yes, if you're an ultralight traveler who wants expanded space when needed.
\No, consider the larger Sea to Summit Spark Sp IV for this requirement.
\It expands and has more organization pockets but less overall space.
\No, it's water-resistant; consider their Spark Sp III or IV for waterproof options.
\No, it lacks theoperating convertible feature of some other Sea to Summit packs.
Sea to Summit is committed to minimizing environmental impact through eco-friendly materials and practices.
Vegan-friendly materials with no animal-derived components.
We track this product's price weekly. We'll flag your alert in your account when it drops below your target.
Recorded public references for this product. Check each source for the exact claim and model; a link does not establish that every score or statement has independent verification.
"Excellent lightweight backpack, perfect for travel and outdoor activities."
"A compact, expandable backpack that's great for frequent travelers."
"Sea to Summit delivers performance and sustainability in the Spark Sp II."
Yes. Sea to Summit Spark Sp II 28L Pack earns an QuickRatey QuickRatey score of 94/100, backed by third-party certifications including B Corp, Fair Trade, Leaping Bunny, FSC Certified. Sea to Summit Spark Sp II 28L Pack: worth it for lightweight, ultralightweight travelers seeking space and organization.
Sea to Summit Spark Sp II 28L Pack holds the following certifications: B Corp, Fair Trade, Leaping Bunny, FSC Certified. These independent verifications cover sourcing, animal welfare, environmental impact, and ingredient safety.
Sea to Summit is committed to minimizing environmental impact through eco-friendly materials and practices.
Vegan-friendly materials with no animal-derived components.
Sea to Summit Spark Sp II 28L Pack is priced in the $$$$ range for travel & luggage. Visit the retailer links above for current pricing.
Sea to Summit Spark Sp II 28L Pack is available from the brand's official website and major retailers. The product page above lists every verified retailer we track.
Sign in to leave a review for Sea to Summit Spark Sp II 28L Pack.
No customer reviews yet — be the first to share your experience.
No approved questions yet. Be the first to ask about Sea to Summit Spark Sp II 28L Pack.
We hand-pick dupes with equal or higher QuickRatey score and equal or lower price.
See ethical dupes for Sea to Summit Spark Sp II 28L Pack →Our highest-scoring picks in the same category as Sea to Summit Spark Sp II 28L Pack.

Patagonia
The Patagonia Wheeled Duffel 30 inch is a premium, 100% recycled gear hauler that is best for eco-conscious adventurers traveling with heavy equipment.

Patagonia
The Patagonia Refugio Daypack 26L is a versatile, recycled polyester backpack that is worth it for eco-conscious hikers and daily commuters alike in 2026.

Patagonia
The Patagonia Black Hole MLC 45L is a versatile, recycled travel pack that is worth it for adventurers seeking a durable, carry-on compliant backpack-duffel hybrid.
Same category, similar or better score, at the same price or less.

Ethique
The Ethique Ultimate Travel Set is a zero-waste solid-toiletry travel kit that is worth it for eco-conscious travelers seeking a plastic-free TSA-compliant hygiene routine.

Trtl Pillow Plus, best for comfortable plane and road trips with its unique support and 5-year warranty.

Ideal for frequent travelers, these Zujunli compression socks are well worth it for their comfort and blood circulation support.
Other Sea to Summit products we've scored. See the full Sea to Summit report.

Sea to Summit
Sea to Summit Aeros Premium Sleeping Pad - Best for side sleepers seeking comfortable support.

Sea to Summit
The Sea to Summit Ultra-Sil Day Pack is the ultimate minimalist solution for travelers, offering a compact 20L capacity that is worth it for ultralight packing.
Recently reviewed travel & luggage picks readers open next.

Yemezmo
Yemezmo Travel Bottles Set is worth it for those wanting a good value, eco-friendly set.

Depoza Travel Bottles Kit is the best value for leak-proof, TSA-approved sets.

Bombas
Bombas Compression Socks for Women Men provide firm 15-20 mmHg support perfect for flying, pregnancy, and long shifts.

Best for discounts, INIGO RONIN Alaska Ultimate Travel Kit, Men's, slashed prices
Is Salsa Carry-On Luggage Worth It? An Honest Spotlight (2026)
Salsa carry-on luggage has gênero itself as a sustainable travel brand, but is it the best carry-on for you? We break down the size, sustainability, and style of Salsa carry-ons to help you make an informed decision in 2026.
Top 6 Eco-Friendly Travel Accessories for Sustainable Adventures in 2026
<p><strong>Best eco-friendly travel accessories 2026:</strong> Be a sustainable traveler without compromising convenience and style. We've compared products across categories to find the most eco-friendly travel essentials for minimizing waste and plastic use.</p> <p>In 2026, green travel is more than just a trend; it's a responsibility. Reduce your environmental impact without sacrificing convenience, performance, or fashion. Our 2026 roundup of the best eco-friendly travel accessories includes luggage, toiletries, and tech gadgets that make sustainable journeying a breeze.</p>
Top Eco-Friendly Travel Essentials for Sustainable Adventures in 2026
<p><strong>Embark on sustainable adventures with our top picks for eco-friendly travel essentials in 2026.</strong> From refillable bottles to organic carry-on pouches, these earth-friendly products help you <em>travel light and leave only footprints</em>.</p><p>Whether you're a weekend warrior or an around-the-world explorer, our top 7 eco-friendly travel essentials will make your journey greener, smarter, and more enjoyable.</p>
Top Eco-Friendly Travel Essentials in 2026: Best Luggage & Accessories for Sustainable Adventures
Embarking on a sustainable journey? <strong>Discover the best eco-friendly travel luggage and accessories</strong> for your 2026 adventures. Our comprehensive guide features high-quality, value-packed picks that respect the environment without compromising performance.