At the beginning of your backpacking trip, you probably have the best intentions to keep your pack organised, but it’s not always easy to cram your gear back in your bag when you’re in a rush to meet a train, or catch a flight.
The Sea to Summit Ultra-Sil Compression Sacks enable you to compress your gear down to a third of its size without adding extra weight to your pack. You can pack down anything from down jackets to synthetic sleeping bags, as there are a range of sizes for gear of all shapes. These sacks are constructed with tack reinforced stress points for extra strength, are made from siliconised fabric for durability and water resistance, and are ultra-lightweight - which makes them ideal for outdoor adventures.
As for usability, these products feature four straps for even compression all over, a slippery finish for easy packing, a flip top hood to prevent straps tangling, and a grab handle for easy carrying. Also a great bit of gear to have on hand for hiking or camping trips where you’ve got limited room, the Ultra-Sil Compression Sacks from Sea to Summit are a lifesaver for the space conscious outdoorsperson.
Compressed my sleeping bag very well, also great for packing clothes etc and minimising the space they take.
Hi Snowys, I have a Kelty Cosmic 20 sleeping bag and wondering if you could help me figure out what size compression sack would I need?
We're not familiar with the Kelty Cosmic 20 sleeping bag, but I've done a little research online for you and I'd say that if you went for a Large size which is 20L that can be compressed as small as 6L, you should be okay.
I have a double sleeping bag made from two Coleman Dexter Point -5C Sleeping Bags. I'd rather store it as a double for convenience. What compression bag would best fit?
I've just gone and done a bit of physical testing in store. The biggest Sea to Summit Ultra-Sil Compression Sack is 30L. While it is a bit of a squeeze to fit both bags in, it is possible and then from there, you can compress them a bit further to bring the overall size down. Let me reiterate, it's not an easy fit, but if you can squeeze the air out and compact it as much as allowed, it is a possible fit.
Hi team, Can I ask if these bags are water proof? Or, water resistant even? If I had my sleeping bag in this, would it stay dry inside a backpack?
The fabric on the Ultra Sil compression sacks is waterproof, however the opening and seams would be a weak point if this bag was submerged in water.
If you just need to keep of a splash of water - this bag will do, but if you're going to encounter a lot of water (e.g. kayaking, canoeing) then you may want to go for the Sea to Summit Compression Dry Sack which is fully waterproof.
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