Ultralight compression to keep your pack spacious and light. When you need to compress your bulky gear without significantly adding weight, the Ultra-Sil Compression Sacks are the perfect choice. Made from high-strength 30D siliconised CORDURA fabric they can be compressed to one third of the original volume. Ideal for use inside your pack or travel bag when you need to compress clothing or bulky soft items to allow space for other essentials - or luxuries. The size range includes two extra small sizes good for compressing and storing down jackets and other clothing. Ultra-SilUltra-Sil is a very light nylon fabric. The outer shell is surrounded by a silicone layer; the inner layer is PU coated.
Ultralight compression to keep your pack spacious and light. When you need to compress your bulky gear without significantly adding weight, the Ultra-Sil Compression Sacks are the perfect choice. Made from high-strength 30D siliconised CORDURA fabric they can be compressed to one third of the original volume. Ideal for use inside your pack or travel bag when you need to compress clothing or bulky soft items to allow space for other essentials - or luxuries. The size range includes two extra small sizes good for compressing and storing down jackets and other clothing. Ultra-SilUltra-Sil is a very light nylon fabric. The outer shell is surrounded by a silicone layer; the inner layer is PU coated.
in 1 offers
The lowest price for Sea to Summit Ultra Sil Compression Sack Yellow (Medium) right now is $48.99 at Alpsport.
The all-time low was $44.09 on 27 Dec 2025 — today's price is 11% above the lowest ever. That's a little above the best price we've seen.
Prices last updated 14 May 2026.
Sea to Summit Ultra Sil Compression Sack Yellow (Medium)
Ultralight compression to keep your pack spacious and light. When you need to compress your bulky gear without significantly adding weight, the Ultra-Sil Compression Sacks are the perfect choice. Made from high-strength 30D siliconised CORDURA fabric they can be compressed to one third of the original volume. Ideal for use inside your pack or travel bag when you need to compress clothing or bulky soft items to allow space for other essentials - or luxuries. The size range includes two extra small sizes good for compressing and storing down jackets and other clothing. Ultra-SilUltra-Sil is a very light nylon fabric. The outer shell is surrounded by a silicone layer; the inner layer is PU coated.
Ultralight compression to keep your pack spacious and light. When you need to compress your bulky gear without significantly adding weight, the Ultra-Sil Compression Sacks are the perfect choice. Made from high-strength 30D siliconised CORDURA fabric they can be compressed to one third of the original volume. Ideal for use inside your pack or travel bag when you need to compress clothing or bulky soft items to allow space for other essentials - or luxuries. The size range includes two extra small sizes good for compressing and storing down jackets and other clothing. Ultra-SilUltra-Sil is a very light nylon fabric. The outer shell is surrounded by a silicone layer; the inner layer is PU coated.
Last updated at 14/05/2026 04:23:48
Ultra-Sil Compression Sack Superseded
Delivery $9.95
| Is Discontinued By Manufacturer | No |
| Hand Orientation | Left/Right |
| Length | 10 inches |
| Outer Material | Nylon |
| Season | All Seasons |
Ultra-Sil Compression Sack Superseded
Delivery $9.95
| Is Discontinued By Manufacturer | No |
| Hand Orientation | Left/Right |
| Length | 10 inches |
| Outer Material | Nylon |
| Season | All Seasons |
