Coreplex · Brands · Sea to Summit
Ultra-Sil Daypack

Ultra-Sil Daypack by Sea to Summit costs $49.95 for Colour: Blue Atoll at Sea to Summit, the brand's official store, as of October 18, 2026. Returns: 60 days from purchase to request a return; opened or used items are not accepted; excluded: final sale. Checkout happens on the seller's own store; Coreplex adds no fees.
At a glance
| Brand | Sea to Summit |
|---|---|
| Sold by | Sea to Summit (the brand's official store) |
| Price | $49.95 for Colour: Blue Atoll |
| Price checked | October 18, 2026, before tax and shipping. The live page and the seller's store have the current price. |
| Availability | In stock at the seller when checked |
| Condition | new |
| Rating | 4.7 of 5 from 317 reviews on the seller's store |
| Shopify catalog ID | 5autt0Nvc3gVemOFRUEy8A |
Shipping and returns
Returns, refunds and shipping follow Sea to Summit's own policy, not Coreplex's. Read it before buying, especially for opened, hygiene or final-sale items.
In short: 60 days from purchase to request a return; opened or used items are not accepted; excluded: final sale.
| Term | Sea to Summit's policy | Exact wording |
|---|---|---|
| Return window | 60 days | You can return an item for a full refund within 60 days of your purchase date. |
| Window counts from | purchase | You can return an item for a full refund within 60 days of your purchase date. |
| Item condition | unused, original packaging | All items must be returned in the original, unused condition and must include all original packaging. |
| Opened items | not accepted | If you are doing a return and the original card you used to purchase the item is no longer in working order the refund will still post to the account associated with the credit card. |
| Not returnable | final sale | Final sale items cannot be returned. |
| Refund goes to | original payment method | Please allow 7-10 days for refunds to process through your original form of payment. |
| Refund timing | 60 days | You can return an item for a full refund within 60 days of your purchase date. |
Read from Sea to Summit's refund policy on October 18, 2026. Terms the policy doesn't settle are left out rather than guessed.
Other stores selling it
Coreplex counts another store's listing as the same item only when it shares a Shopify catalog ID or barcode with this one; lookalikes are shown as similar and never priced as equals. The live page runs that check now. AI agents can run it with the Coreplex MCP tools get_passport or compare_prices (product_url: https://seatosummit.com/products/ultra-sil-day-pack).
What Sea to Summit says
Our award-winning Ultra-Sil Daypack is a minimalist backpack that has incredible strength-to-weight performance and packs down to the size of a tennis ball. The 30D siliconised CORDURA® fabric and reinforcing bar-tacks at stress points enable it to withstand loads many times its own weight. With a 20L capacity, it's perfect for a summit pack, carrying groceries when on foot or on a bike, or as an extra traveling tote. The tiny packed size also easily fits onto your key ring, in a jacket pocket or a purse. With non-padded shoulder straps, our maximum load limit recommendation for a comfortable carry is 15 lbs / 7 Kg. Features Ultra-Sil 30D siliconized CORDURA® fabric for strength and durability Reinforced shoulder straps for increased carrying comfort Packs into an attached stuff sack that includes a handy carabiner Packs down small so it easily fits in pockets, purses or luggage Perfect as a lightweight backup or travel bag 20L capacity
Materials (from the seller's page)
Fabric: 100% Nylon Volume 20 L Weight 2.5 oz | 72 g Dimensions 19 × 8 × 11 in | 48 × 20 × 28 cm
Frequently Asked questions (from the seller's page)
Is it durable? With correct care, this pack can last many seasons. Just limit contact with sharp objects or abrasive surfaces as much as possible, since these can damage the fabric.
Materials (from the seller's page)
Fabric: 100% Nylon Ultra-Sil Daypack Weight 72 g 2.5 oz Packed Weight 72 g 2.5 oz Packed Size 5.5 × 10.2 × 18.6 cm 2 × 4 × 7 in Volume 20 L Imperial Metric
Key features (from Shopify's product catalog)
- Ultra-lightweight 30D siliconized Cordura nylon fabric enables effortless carrying for long distances
- Reinforced bar tacks at stress points provide superior durability and load capacity
- Packs into an attached stuff sack with carabiner for easy transport in pockets or luggage
- Non-padded, ergonomic shoulder straps offer comfortable carrying without bulk
- Water-resistant and easy-to-pack design ensures reliable performance in various conditions
| Capacity | 20 L |
|---|---|
| Weight | 72 g |
| Dimensions | 11 in |
| Material | 30D siliconized Cordura nylon |
| Closure | Zipper |
| Carry Options | Backpack straps, handle |
Summarized by Shopify's catalog and checked by Coreplex against the seller's own text: claims the seller's text contradicts are left out. Confirm details with Sea to Summit.
What Coreplex could not confirm
- Brand confirmation from the brand itself. The brand has not claimed this listing on Coreplex.
- Whether other stores sell this exact item. Coreplex only calls two listings the same item when they share a Shopify catalog ID or a barcode.
- Independent evidence for claims in the listing. Claims are the seller's own.
- A barcode (GTIN) for this listing. Without one, price comparisons with other stores are only possible through Shopify's own catalog grouping.