“The Sea To Summit Ultra-Sil Dry Sacks are the lightest woven fabric dry sacks on the market, significantly lighter (by several ounces) than the Granite Gear Dry Sacks, and just lighter (by less than an ounce) than comparably sized Outdoor Research HydroLite Dry Sacks. Plastic sacks such as a mylar turkey roasting bag (0.5 oz) and the Gossamer Gear Pack Liner bags (2 mil polyethylene film, 1.3 oz for medium, 12″ x 8″ x 32”) are lighter, but the Sea To Summit Dry Sacks still merit a look by ultralighters.

The Ultra-Sil Dry Sacks are waterproof when used as designed, according to the US marketing rep, Shelley Dunbar. She adds, “If you are going to be getting really wet, as in floating them in a river, we also recommend another layer of protection for expensive items such as cameras or GPS. They are not recommended for prolonged submersion.”

I used a 20 liter Sea To Summit Dry Sack on a recent SuperUltralight canyoneering trip to protect my sleeping quilt and spare clothing in sections where I needed to swim and float the pack. I double protected my soft goods by also using a Gossamer Gear Pack Liner. Everything stayed dry.”

SPOTLITE REVIEW by Carol Crooker. BackpackingLight.com (ISSN 1537-0364)

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