I took advantage of GORUCK’s Christmas in July sale and finally got a Ripstop Robic version of the GR1, size 21L. You can watch my YouTube review here: I love this Ripstop Robic material–how it feels, bends and cleans up. I sprayed it with a water hose. Direct water did not go thru the material, … Continue reading My New Purchase: GR1 USA – Lightweight Ripstop ROBIC Backpack | Arctic Camo