Gossamer Gear Mariposa Plus Ultralight Backpack

Existing modelConstructed of:
* 70 denier 2.2 oz. urethane-coated ripstop nylon
* Selected use of 210 denier 4 oz. urethane-coated double wall ripstop nylon
* Selected use of 30 denier 1.3 oz. silicone-coated ripstop nylon ("silnylon")