
UNUS52 | Backpack in Storm Grey
Weighing only 740 grams—with 42L main compartment and 10L of external expansion—this waterproof pack is designed for burly multi-day adventures. There's a lot going on with this bad boy, so we'll let Sealson explain: Core Fabrics : UltraWeave™ / UltraStretch™ Ultra™200X (Main Fabric): Made from UHMWPE fibers (similar to Dyneema), it is several times stronger than traditional nylon. Constructed with a three-layer composite structure (X-ply yarn + waterproof film), it offers lightweight durability, abrasion resistance, and tear resistance. Ultra™400X (Reinforced Base): Provides enhanced abrasion resistance, designed to withstand prolonged ground dragging and friction against rocks. UltraStretch™: A blend of UHMWPE fibers and Nylon 66, delivering high elasticity and durability. Ergonomic Design | Comfort & Stability: The Ultralight Composite Frame System features a dual-track aluminum alloy tube frame (22g each) for a lightweight yet sturdy structure. A carbon fiber rod