HMG UltaMid 2 Mesh Insert no FloorHyperlight Mountain Gear UltaMid 2 Mesh Insert no Floor this four wall UltaMid 2 Insert with no see um mesh keeps the mosquitos away. Dont want them buzzing around your face at night? Dont worry, weve got you covered if you own UltaMid 2 Insert. Bugs will have to work really hard to sneak inside your mid; the insert has a mesh skirt that tucks under and inside the shelter. If you frequently adventure in rainforests, the wilds of Alaska or the Seattle