Mountain Hardwear Thermostatic Jacket - SS16 100% Nylon Made in USA or Imported Zipper closure Thermal Q Elite fabric - Warm, synthetic down with high compression rebound. Caribiner Loop - When stowed away, the pocket has a loop to allow it to be attached to a harness. 20D nylon fabric - Helping to resisting abrasion. Compressible - Can be stored in its own pocket. drawcord - For fast, easy adjustment.