Sea To Summit UltraSil Compression Sack 8L Grey

The Sea To Summit UltraSil Compression Sack 8L is a lightweight, highly compressible storage solution designed to reduce the volume of bulky gear such as sleeping bags and clothing. Made from ultra-siliconized 30D CORDURA® nylon, this sack offers exceptional water resistance and durability while weighing only 86 grams. Its four external compression straps and field-repairable side-release buckles allow for efficient, secure compression, making it an essential companion for backpackers and travelers seeking to maximize pack space.

Advantages

Ultra-lightweight at 86 g, this compression sack saves significant weight compared to traditional models. The siliconized fabric provides reliable water resistance, protecting contents from moisture. The four compression straps evenly distribute pressure for optimal volume reduction, while the bar-tack reinforced stress points ensure long-lasting performance. The drawcord closure with cord lock offers quick and easy access.

Suitable for

• Backpackers and hikers needing to compress sleeping bags or clothing
• Travelers looking to minimize luggage volume
• Outdoor enthusiasts requiring a durable, water-resistant storage solution

Key specifications

• Capacity: 8 Liters
• Material: Ultra-Sil 30D CORDURA® Nylon
• Fabric Treatment: Siliconized for water resistance
• Closure Type: Drawcord with cord lock
• Compression System: 4 external compression straps
• Buckle Type: Field repairable side-release buckles
• Shape: Cylindrical
• Reinforcement: Bar-tack reinforced stress points
• Intended Use: Compressing bulky items (sleeping bags, clothing)
• Lightweight Feature: Yes
• Packability: Highly compressible
• Base Type: Round base
• Strap Material: Strong nylon webbing
• Color: Grey
• Fabric Denier: 30D
• Water Resistance Rating: Water-resistant (not fully waterproof)
• Seam Construction: Double-stitched
• Weight (Metric): 86 g
• Dimensions (Uncompressed): 19 cm (Diameter) x 40 cm (Height)

Recommendations

For optimal performance, avoid overstuffing and ensure the drawcord is fully tightened before compressing. Store in a dry place when not in use. This sack is not fully waterproof; use a dry bag for submersion protection.