Sea To Summit UltraSil Compression Sack 8L

The Sea To Summit UltraSil Compression Sack 8L is a lightweight, durable compression sack designed for backpackers, campers, and travelers who need to minimize gear volume. Made from Ultra-Sil 30D siliconized CORDURA® nylon, this sack offers exceptional strength-to-weight ratio and water resistance. With four extra-long compression straps and ladderlock buckles, it reduces volume by up to two-thirds, making it ideal for packing sleeping bags, clothing, or other bulky items.

Advantages

Ultra-lightweight at only 66 grams, this compression sack saves precious weight without sacrificing durability. The siliconized fabric is water-resistant, protecting contents from moisture. The drawstring top with cord lock and lid ensures secure closure, while the Hypalon grab handle provides easy carrying. Double-stitched and tape-sealed seams, along with bar-tacked stress points, guarantee long-lasting performance.

Suitable for

• Backpacking and hiking trips where weight and space are critical
• Camping and outdoor adventures requiring organized gear storage
• Travel to compress clothing or sleeping bags in luggage
• Gear organization for sports and expeditions

Key specifications

• Capacity: 8 Liters (uncompressed)
• Material: Ultra-Sil 30D siliconized CORDURA® nylon
• Weight: 66 g
• Closure: Drawstring top with cord lock and lid
• Compression: 4 extra-long straps with ladderlock buckles
• Volume reduction: Up to 2/3
• Water resistance: Water-resistant (not waterproof)
• Seam construction: Double-stitched and tape-sealed
• Reinforcement: Bar-tacked stress points
• Base: Hypalon grab handle
• Shape: Cylindrical

Recommendations

For best results, use this compression sack to store sleeping bags or soft items. Avoid over-tightening to prevent damage to delicate fabrics. Not recommended for waterproof storage; use a dry bag for wet conditions.