Gem:Mostly waterproof
1 outside zipper pocket
1 interior pocket
water resistant pink nylon lining
Can fit about 3 water bottles
Zipper closure
Adjustable and removable strap
Micro:Water resistant
1 outside zipper pocket
Zipper closure
Adjustable and removable strap
Comes with pad and wipes case
Black water resistant nylon lining
can fit 2 bottles with a little room to spare
Has a zipper on the side with a mesh pocket that can be pulled out for an outside bottle pocket
Micro is deeper than the gem. Easier to look into the Gem and the Gem opens up wider. Micro has more features and the option for the outside pocket eliminates unused space.
hmmmm ?