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Add some simple storage to your next outdoor adventure with the Sea to Summit Lightweight 4L Dry Sack. This classic sack has a traditional roll-top design that makes it easy to pack down your gear and is waterproof, although it shouldn’t be fully submerged. It has 4-liters of storage space, which is a good amount for a layering piece or even a meal if you plan on spending a day outdoors. Made with 70D nylon fabric, it has a durable feel, with a polyurethane coating with white pigment on the inside that makes it easier to see your gear in low light. It also has a D-ring attachment on the outside, which makes it convenient to attach to your pack for those day-hikes.
Style: 163
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Free Standard Shipping on Orders over $49!
- Choose Standard shipping at checkout
- Offer good in contiguous US only
- Offer not valid on kayaks, roof boxes, Waterskis, Wakeboards, Wakeskates, Wakesurfers, Car Racks, Water Tubes, and Kneeboards
Return Policy
Items must be in new condition and have the original tags attached. We recommend using a carrier that offers a tracking number, like USPS priority, or FedEx.
We will refund the purchase price of the item to the credit card originally used for the order.
For exchanges, the easiest, fastest way is to purchase the item you'd rather have and return the other item for a refund. This also ensures that we won't sell out of the item you want. You can also fill out the exchange form on your order and ship it back to be switched when we receive it.
Please see our FAQ Page for more information.
Shipping FAQ
Note: Packages are delivered Monday-Friday, excluding holidays.
What is Standard shipping?
Mostly UPS Ground. Depending on location it may also be FedEx, DHL, USPS, or other regional carriers. Most packages are delivered within 1-3 business days, and all packages have tracking.
When will my order ship?
Most orders placed before 2:00 PM EST ship same-day, Monday-Friday. Due to address or credit card inconsistencies, some orders may take longer to ship.
When will it get here?
Ground can take up to 7 days, though they're usually faster. The closer you are to the East Coast, the faster it will get to you.
Note: Shipping carriers deliver Monday-Friday.
But I want it now!
That's impossible! But we do offer Overnight and 2-Day shipping options.
Do you ship outside of the US?
Yes! However some brands we cannot ship outside the US. Please see our FAQ Page for more info.