Blocker 5-30L Compression Dry Sack
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Carry your down sleeping bag, extra clothing layers, or outdoor essentials in the ultra-lightweight, space-saving design of the SealLine Blocker Compression Dry Sack. This dry sack features lightweight, fully waterproof construction to keep your gear dry without adding excessive bulk to your pack or kayak storage area.
It's packing a PurgeAir valve that releases excess air trapped inside, so you're not carrying a bonafide balloon while backpacking or paddling long distances. Additionally, it features SealLine's Continuous Compression System, which tightens down uniformly to reduce carrying bulk, but without exerting tons of pressure on delicate seams that tend to break easily.
Details
- Compression dry sack with PurgeAir valve to release air
- PurgeAir valve keeps it from ballooning out in your pack
- Fully waterproof design provides a dry place for gear
- Roll-top closure provides a secure, water-tight seal
- Continuous Compression cinches without breaking seams
- PackTight design with flat sides to reduce bulk
- Item #CAS00DC
- Material
- 70D nylon, PU coating
- Volume
- 5L (305cu in), 10L (610cu in), 20L (1220cu in), 30L (1831cu in)
- Compression
- Continuous Compression System
- Waterproof
- fully waterproof design
- Closure
- roll-top closure
- Dimensions
- [5 L] 3.5 x 6.4 x 11.8 in, [10 L] 4.3 x 8.2 x 14.1 in, [20 L] 5.5 x 10.4 x 18.8 in, [30 L] 6.2 x 12 x 22.8 in
- Claimed Weight
- [5 L] 3.5oz, [10 L] 4.4oz, [20 L] 5.9oz, [30 L] 6.9oz
- Manufacturer Warranty
- lifetime
Reviews
Q&A
What do you think about this product?
Overall Rating
5 based on 25 ratings
Review Summary
Customer Images
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Selecting an option will reload the available reviews on the pageOctober 6, 2023
This drysack is light in
This drysack is light in weight, but strong. I enjoy the ability to easily compact clothing and other items to reduce space in my canoe pack. I do solo canoe trips and having fewer packs to carry is a great benefit on a portage
Originally reviewed on a Cascade Designs brand site
July 29, 2023
Je l'ai utilisé en camping,
Je l'ai utilisé en camping, il a gardé au sec mon sac de couchage et mes vêtements. Il est solide et se compresse facilement pour mettre dans mon sac à dos. Je suis satisfaite de mon achat.
Originally reviewed on a Cascade Designs brand site
June 5, 2023
Pack it down, keep it dry.
Can't say anything bad about this sack. It's sturdy; you can really haul down on the compression straps. The valve is really cool. Let's out all the trapped air with no issues and no problems with water getting in. I live in washington, it rains here a lot through winter and early spring. I've brought this on a handful of camping trips and two SAR training weekends and it kept my bag dry every time. Highly recommended.
Originally reviewed on a Cascade Designs brand site
March 24, 2023
Hands down the best compression
Hands down the best compression sacks on the market. I have tried them all.
Originally reviewed on a Cascade Designs brand site
March 23, 2023
Awesome product. Used it for
Awesome product. Used it for a backcountry winter ascent of Mt. Katahdin in Maine and it was perfect.
Originally reviewed on a Cascade Designs brand site
January 16, 2023
Excellent! the 10L works great
Excellent! the 10L works great for my Thermarest down bag, and the 20L is better for my synthetic insulation bag. I can also fit my pad and pump sack in the 20L along with my sleeping bag which is quite convenient. Durable material and straps and the breather helps push out some air once you have it rolled closed. 10/10 recommend to avoid the dreaded wet sleeping bag when you get to camp
Originally reviewed on a Cascade Designs brand site
January 16, 2023
Worth upgrading your sleeping bag stuff sack to one of these
Excellent! the 10L works great for my Thermarest down bag, and the 20L is better for my synthetic insulation bag. I can also fit my pad and pump sack in the 20L along with my sleeping bag which is quite convenient. Durable material and straps and the breather helps push out some air once you have it rolled closed. 10/10 recommend to avoid the dreaded wet sleeping bag when you get to camp.
Originally reviewed on a Cascade Designs brand site
January 6, 2023
The material is thinner than
The material is thinner than I thought it would be. The sack is too large which is my fault because I didn’t have a better understanding of the size I needed. Also, I do not like the compression system. Honestly I was looking for something like the Sealine compression sack we were issued in the US Marines for our sleeping system.
Originally reviewed on a Cascade Designs brand site
December 17, 2022
stuff sack upgrade
makes a great stuff sack for my kids sleeping bags and clothes. Takes up less room in the packs and helps to make sure the sleeping bag and spare clothes they are carrying stay dry.
Originally reviewed on a Cascade Designs brand site
November 16, 2022
We are avid backpackers having
We are avid backpackers having used several varieties of these. Very durable and waterproof.
Originally reviewed on a Cascade Designs brand site
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