RawLow Mountain Works X-Pac Black Slight fraying at the end of the shoulder strap, but overall in good condition. The TABITIBI Tote, made with X-Pac, a material that is becoming a standard in outdoor materials, is now available. X-Pac is lightweight and excels in waterproofness and tear strength, making it a very suitable material for outdoor products. RLMW uses VX21, a 210-denier X-Pac, which offers the best balance among the various thicknesses of X-Pac. VX21 is also used for the bottom of the Antelope, Bambi, and Bike'n Hike Bag, making it a strong and water-resistant material suitable for various activities.