Bag fiber fill synthetic Eulin Fiber the Micro-fiber synthetic is engineered to ensure comfort, durability, softness and compressibility. It is a combination of synthetic fibers that produce a thermal insulation structurally very stable.Features:• Sack combined in fiber. • Bag lightweight and compact. • Ideal for trekking due to its small size. • Side zipper complete length of the bag anti-snag. • Zipper with 2 cursors. • Can join 2 bags. • Shell: Polyester Diamond Ripstop 75D/310T. • Inner: Micro Polyester 50D/310T. • Filling: 200 gr/m2. 0, fiber-eulin ( 100 gr/m2 in 2 coats).