The Mammut Compression Sack is an essential storage solution designed to significantly reduce the pack volume of sleeping bags or clothing. Built from high-quality, durable 70D Nylon with a 10,000mm water column rating for moisture protection, it features four compression straps to allow for maximum and even compacting. The top lid design ensures contents remain secure and protected from the elements. Technical Specifications: Material: 70D Nylon (100% Polyamide). Weight: 65g. Volume: 10 Liters. Features: 4 compression straps, drawstring closure, and reinforced stress points.