Sea To Summit UltraSil Compression Sack 5L Grey

The Sea To Summit UltraSil Compression Sack 5L is a lightweight, durable compression sack designed for backpackers, hikers, and travelers who need to minimize pack volume. Made from 30D Ultra-Sil Siliconized CORDURA® Nylon, this sack offers exceptional strength-to-weight ratio and water resistance. With a 4-strap compression system, it reduces the volume of your gear by up to two-thirds, making it ideal for sleeping bags, clothing, and other bulky soft items.

Advantages

Ultra-lightweight at only 46 grams, the UltraSil Compression Sack is one of the lightest compression sacks on the market. Its siliconized CORDURA® fabric is abrasion-resistant and water-resistant, protecting your gear from the elements. The field-repairable side release buckles and bar-tacked stress points ensure long-lasting durability. The drawstring closure with cord lock provides secure sealing, while the 4-strap compression system allows for even, efficient compression.

Suitable for

• Backpacking and hiking trips where weight and space are critical
• Travelers needing to compress clothing or gear
• Camping and outdoor adventures
• Storing and compressing sleeping bags, jackets, and soft items

Key specifications

• Capacity (Uncompressed): 5 Liters
• Weight: 46 g
• Dimensions (Uncompressed): 15 cm (Diameter) x 35 cm (Height)
• Material: 30D Ultra-Sil Siliconized CORDURA® Nylon
• Compression System: 4-Strap Compression
• Closure: Drawstring with Cord Lock
• Water Resistance: Water-resistant
• Volume Reduction: Up to two-thirds
• Color: Grey

Recommendations

For ultralight backpackers and minimalists, the Sea To Summit UltraSil Compression Sack 5L is an essential piece of gear. Its combination of low weight, high durability, and effective compression makes it a top choice for reducing pack volume without adding bulk. Pair it with a dry bag for complete waterproof protection.