Compact and Convenient: Sea to Summit Ultra-Sil Compression Sack Review

When it comes to packing gear for backpacking, camping, or travel, finding the right compression sack can make all the difference. The Sea to Summit Ultra-Sil Compression Sack is a high-performance option that offers exceptional compression ratios, durability, and convenience. In this review, we’ll take an in-depth look at its features, performance, and value.

Design and Materials

The Ultra-Sil Compression Sack boasts a sleek and minimalist design made from Sea to Summit’s signature Ultra-Sil nylon fabric. This incredibly lightweight and durable material is both water-resistant and abrasion-resistant, making it perfect for compressing gear in wet or dry environments. The compression sack features a robust 210D nylon construction with a reinforced bottom panel for added durability.

Compression Performance

One of the standout features of the Ultra-Sil Compression Sack is its impressive compression ratio. Sea to Summit claims that this bag can compress a full-sized sleeping bag down to 1/4th its original size, and our testing confirmed these results. The sack’s clever design allows for smooth and even compression, making it easy to squeeze out as much air as possible.

Key Features

  • Ultra-Sil nylon fabric for water-resistance and durability
  • Robust 210D nylon construction with reinforced bottom panel
  • Impressive compression ratio: compresses a full-sized sleeping bag down to 1/4th its original size
  • Compact design for easy storage
  • Reinforced seams and stitching for added durability

Size Options

The Ultra-Sil Compression Sack is available in four sizes to accommodate different gear types:

  • Small: 0.5 L (15 cu in)
  • Medium: 2.5 L (152 cu in)
  • Large: 4.5 L (273 cu in)
  • Extra-Large: 7.5 L (462 cu in)

Value and Competition

The Sea to Summit Ultra-Sil Compression Sack is priced competitively, with prices starting at around $15 for the small size up to $25 for the extra-large option. Other popular compression sacks on the market include the REI Co-op Stuff Sack ($10-$20) and the MSR PackTowl Travel Towel ($15-$30). While these alternatives may offer some similar features, they often fall short in terms of compression ratio and durability.

Conclusion

The Sea to Summit Ultra-Sil Compression Sack is an exceptional option for backpackers, campers, and travelers who need a reliable and convenient way to compress gear. Its impressive compression ratio, durable construction, and compact design make it an excellent value proposition. Whether you’re looking to reduce pack weight or simply find more space in your luggage, this sack is well worth considering.

Technical Specifications:

  • Materials: Ultra-Sil nylon fabric (210D)
  • Size options: Small (0.5 L), Medium (2.5 L), Large (4.5 L), Extra-Large (7.5 L)
  • Compression ratio: Compresses a full-sized sleeping bag down to 1/4th its original size
  • Weight: 20g – 50g (depending on size)
  • Dimensions: Varies depending on size option