Coreplex · Brands · Sea to Summit
Trek Down Sleeping Bag
Trek Down Sleeping Bag by Sea to Summit costs $364.00 for Temp rating: 30°F, Size: Regular 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 | $364.00 for Temp rating: 30°F, Size: Regular |
| 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 |
| Size options | Long, Regular |
| Temp rating options | 0°F, 15°F, 30°F |
| Rating | 4.8 of 5 from 202 reviews on the seller's store |
| Shopify catalog ID | 25Gv6KfPB8hZnFm7cHeaER |
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/trek-down-sleeping-bag).
What Sea to Summit says
Trek Down Sleeping Bag If you've ever wished for a less-constrictive sleeping bag that keeps you comfortable in a variety of cool-to-warm conditions, the Trek may become your go-to bag. The Free-Flow Zip system allows you to open the bag sequentially for ventilation up to the point where it is opened flat as a quilt - you can even secure the snaps around your shoulders, open the footbox zipper and 'wear' the Trek around camp. 650+ fillpower duck down with a non-PFAS Ultra-Dry Down treatment keep you insulated in damper conditions. Slip an Aeros Pillow into the hood and enjoy a great night's sleep - wherever your travels take you. Tech Specs Materials Shell: 100% polyester Lining: 100% polyester Down Fill: 80/20 Duck Down Stuff Sack: 100% nylon - excluding trims Zipper Configuration Full length YKK #3 side zip, two sliders. YKK #5 foot opening zip. Insulation RDS certified, 650+ fillpower duck down with a non-PFC Ultra-Dry Down treatment Specifications by Temp Rating & Size Temp Rating & Size Weight Packed Weight Dimension Packed Size Compressed Volume Length Recommended User Height Fill Weight Temp Rating (ISO Lower) Temp Rating (ISO Comfort) 30°F / Regular 1119 g | 39.5 oz 1197 g | 42.2 oz 196 x 79 cm | 77.2 x 31.1 in 41 x 22.5 x 15.5 cm | 16.1 x 8.9 x 6.1 in 8.2 L 196cm | 77.2in 183 cm | 6 ft in 380 g | 13.4 oz -1 °C | 30 °F 3 °C | 37 °F 30°F / Long 1253 g | 44.2 oz 1331 g | 46.9 oz 211 x 84 cm | 83.1 x 33.1 in 41 x 22.5 x 15.5 cm | 16.1 x 8.9 x 6.1 in 8.8 L 211cm | 83.1in 198 cm | 6 ft 6 in in 437 g | 15.4 oz -1 °C | 30 °F 3 °C | 37 °F 15°F / Regular 1436 g | 50.7 oz 153
Frequently Asked questions (from the seller's page)
What are the differences between the Trek and the Ascent? The Trek has a broader cut and is intended for travel/camping/some backpacking. The Ascent is a more technical bag for ambitious backcountry use.
Materials (from the seller's page)
Shell: 100% polyester; Lining: 100% polyester; Down Fill: 80/20 Duck Down; Stuff Sack: 100% nylon - excluding trims Zipper Configuration Full length YKK #3 side zip, two sliders. YKK #5 foot opening zip. Insulation RDS certified, 650+ fillpower duck down with a non-PFC Ultra-Dry Down treatment 30°F Regular 30°F Long 15°F Regular 15°F Long 0°F Regular 0°F Long Weight 1119 g 39.5 oz 1253 g 44.2 oz 1436 g 50.7 oz 1611 g 56.8 oz 1895 g 66.8 oz 2098 g 74.0 oz Fill Weight 380 g 13.4 oz 437 g 15.4 oz 635 g 22.4 oz 735 g 25.9 oz 1000 g 35.3 oz 1163 g 41.0 oz Compressed Volume 8.2 L 8.8 L 10.6 L 12.2 L 14.2 L 15.9 L Temperature Rating (ISO Lower) -1 °C 30 °F -1 °C 30 °F -9 °C 16 °F -9 °C 16 °F -18 °C 0 °F -18 °C 0 °F Women's Temperature Rating (ISO Comfort) 3 °C 37 °F 3 °C 37 °F -3 °C 27 °F -3 °C 27 °F -11 °C 12 °F -11 °C 12 °F Recommended User Height 183 cm 6 ft in 198 cm 6 ft 6 in in 183 cm 6 ft in 198 cm 6 ft 6 in in 183 cm 6 ft in 198 cm 6 ft 6 in in Imperial Metric
Key features (from Shopify's product catalog)
- Free Flow Zip system enables sequential ventilation and flat sleeping for warmth and airflow
- 650 FillPower duck down insulation with non-PFAS Ultra Dry treatment keeps you dry in damp conditions
- Recycled 20D polyester shell with non-PFAS DWR finish blocks wind and moisture
- Tapered rectangular fit provides spacious comfort and easy movement
- Multiple temperature rating options for versatile use in varying climates
| Shell Material | 100% recycled polyester with non-PFAS DWR finish |
|---|---|
| Lining | 100% polyester |
| Down Fill | 650 FillPower duck down |
| Insulation | RDS certified |
| Available Sizes | Regular, Long, Short |
| Temperature Ratings | 30°F, 15°F, 0°F, 9°C, 16°C, 18°C, 27°C, 37°C, 41°C, 46°C, 50°C, 55°C, 60°C, 65°C, 70°C, 75°C, 80°C, 85°C, 90°C, 95°C, 10 |
| Weight | 1119 g |
| Packed Size | 41 x 22.5 x 15.5 cm (Regular), 46 x 27.5 x 18 cm (Long), 46 x 27.5 x 18 cm (Short) |
| Length | 196 cm (Regular), 211 cm (Long), 183 cm (Short) |
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.
- Prices for the other options: the price above is for the option shown only.