http://www.cleverscampcamp.com/lightweight-tent/

What you should look for in an ultralight tent
lightweight tents for backpackers are becoming a staple for hikers and campers. Having a lightweight in the package store can reduce your weight by one pound solid lead in these days few and really do not have to sacrifice much space. There are a lot of great lightweight tents for backpackers in the market, but here are some things you normally look for in a large tent.
Number People – If you only ever thinking about a person hold options for a lightweight tent is very large, however, if you're like me and enjoy the extra room for equipment or other casual traveler a tent for two people still can give you the weight you want and some extra space.
Independiente vs not – they usually always go to a separate tent unless you are camping alone with just a bivvy bag when I have no doubt about the time and usually for a stay of one night. Freestanding tents are much more durable to the elements and generally create a lot faster and with fewer headaches than a tent non-independent.
double vs. single wall – For the type of camp that I always choose a double wall tent season 3. A double wall refers to a tent with a rain fly that make effective two walls between you and the elements. Most Double wall tents have a mesh cover for breathing and ability so that you do not wake up with condensation on the inside of his tent, and a waterproof rain fly vestibule.
Weight – In general, stores can weigh up to 10 pounds and as little as 1 pound, it all depends on what are looking for. An ultralight tent is usually in the family a pound to 3 pounds. Three pounds a store these days can give you plenty of space for two people and can be extremely durable outdoors. The lightest to go with a tent less space you have and the options that are given as a flat, rainproofing etc. Unless you are super hardcore I would recommend to stay in the range of 2 pounds to 3.5 pounds.
Here is a link review site I've found utility, which has some of my best shot and took the suggestions of Backpacker Magazine and Outside Magazine. Tents Lightweight Backpacker
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Exped Tents: Fly + Footprint lightweight option