Ultra-Sil Dry Bag Like New: Second Summit Buying FAQ
By Sea to Summit | Outdoor Gear To Equip & Inspire | Published: 2026-11-05
Category: Product Reviews
What to know before buying a Like New Ultra-Sil Dry Bag from Second Summit: sizing, fabric, closure, real-world uses, and honest limits.
What Like New means for this dry bag
- Is a Like New Ultra-Sil Dry Bag the same as a new one?
- Second Summit gear is sold as Like New, but the supplied information does not detail the specific condition criteria or inspection process for this item. What is confirmed: the product is the Ultra-Sil Dry Bag, made with bluesign® approved 30D Ultra-Sil fabric featuring Cordura® yarns, and it includes a non-wicking hypalon roll-top closure, taped seams, and an oval base. For exact condition details, check the individual listing.
- Does the Like New condition affect the dry bag's waterproofness?
- The supplied product information describes the bag as waterproof and lists taped seams to keep moisture out. It does not state how Like New condition might affect waterproof performance. Inspect the bag on arrival for seam tape lifting, punctures, or closure wear, since those are the areas that matter most for any dry bag.
Fabric and construction that matter for a used dry bag
- Ultra-Sil Dry Bag (Like New): Made with lightweight, waterproof bluesign® approved 30D Ultra-Sil fabric featuring Cordura® yarns. This is the core material claim. It tells you the bag is built to be light and waterproof, which are the two main reasons to choose an ultralight dry bag.

Ultra-Sil Dry Bag (Like New) - Ultra-Sil Dry Bag (Like New): Features a non-wicking hypalon roll-top closure. The closure is the most-used part of any dry bag. A non-wicking design helps keep water from creeping into the bag through the roll-top.
- Ultra-Sil Dry Bag (Like New): Taped seams to keep moisture out. Seams are a common failure point on used dry bags. Taped seams are a positive sign, but inspect them closely on a Like New item.
- Ultra-Sil Dry Bag (Like New): Oval base prevents rolling and packs efficiently. A round bag rolls away on sloped ground. The oval base is a small but practical detail that makes the bag easier to live with at camp or in a hostel.
Sizing and capacity questions
- What sizes does the Ultra-Sil Dry Bag come in?
- The supplied variant evidence lists 3 liter, 5 liter, and 8 liter sizes. Colors vary by size: 3 liter and 5 liter are available in Atoll Blue, High Rise Grey, Spicy Orange, Tarragon Green, and Zinnia Yellow; 8 liter is listed in Atoll Blue and High Rise Grey.
- Which size should I choose for backpacking?
- The supplied information does not give a size-to-contents guide. As a general approach, match the bag to the gear you need to keep dry and organized. A 3 liter bag suits small items like a phone, wallet, and headlamp; 5 liter works for a layer or small sleep kit; 8 liter fits bulkier items or a day's clothing. The semi-translucent fabric helps you see what is inside without opening every bag.
- Can I use the 3 liter bag as a pack liner?
- The Ultra-Sil Dry Bag is described as ideal for organizing gear inside your backpack or duffle. A 3 liter bag is small for lining a full pack, but it works well as an internal organizer for essentials. For full-pack waterproofing, a larger size or a dedicated pack liner is more appropriate. The supplied information does not list a pack-liner-specific product.
Using it in real conditions
- Is the Ultra-Sil Dry Bag meant for paddle sports or watersports?
- No. The supplied critical care and safety evidence states it is not intended for paddle/watersports use. Treat it as a pack organizer and travel dry bag for backpacking, cycle touring, and travel, not as a submersion bag for kayaking or rafting.
- Will it keep my gear dry in rain?
- The bag is described as waterproof, with taped seams and a roll-top closure. That supports use as a waterproof pack liner or organizer inside a backpack. The supplied information does not provide a weather rating or claim that the bag is submersible. For heavy rain, combine it with a pack cover or place it inside a main compartment.
- How do I close the roll-top correctly?
- The supplied information does not include a step-by-step closure procedure. General roll-top practice: roll the top down at least three times, then buckle the closure. Avoid trapping air inside, and keep the closure free of grit or fabric caught in the roll. Check the product listing for any manufacturer-specific instructions.
Care and longevity questions
- How should I care for a Like New Ultra-Sil Dry Bag?
- The supplied information does not include a full care procedure. It does note a PFC-free DWR finish, which is a water-repellent treatment. General care for ultralight dry bags: clean with mild soap and water, rinse thoroughly, and air-dry fully before storage. Avoid harsh detergents and high heat. Check the listing or manufacturer guidance for specific instructions.
- What should I inspect on a used dry bag?
- Focus on the parts that keep water out: the roll-top closure (check for stiffness, cracks, or wear), the taped seams (look for lifting or gaps), and the fabric (look for pinholes or abrasion). The semi-translucent fabric makes it easier to spot small holes or debris inside. If any of these are compromised, the bag may not perform as intended.
Product facts for the Ultra-Sil Dry Bag (Like New)
- Ultra-Sil Dry Bag (Like New): Won the Backpacker Editors' Choice award in 2006. This is a supplied historical fact, not a current test result. It indicates the design has been recognized, but it does not guarantee the condition of a specific Like New item.
- Ultra-Sil Dry Bag (Like New): Semi-translucent fabric makes it easy to see what's in each dry bag. Useful for organizing multiple bags inside a pack without opening each one.
- Ultra-Sil Dry Bag (Like New): Slippery finish for easy packing and unpacking. A small detail that makes a difference when you're stuffing gear into a tight pack.
