There are a number of companies which stock merrell trail running shoes so I would start with the online comparison websites. This way you can find the type of merrell trail running shoes you are looking for and compare the prices at the same time.
Merrell has several men's barefoot running shoes that are good for trail running. However, according to Merrell, the Men's Barefoot Run Trail Glove is the best barefoot running shoe for trail running.
According to ConsumerSearch, the best reviewed trail running shoes are the Saucony ProGrid Peregrine at $90, the Merrell Trail Glove and women's Merrell Pace Glove at $110, and the New Balance Minimus Trail at $110. Note that each of these is for a different type of terrain.
Merrell trail running shoes are excellent for sports activities and on wet grass and mud. Please take a look at the following website http://www.outsideonline.com/outdoor-gear/gear-guy/What-are-the-best-spring-running-shoes.html
Trail running shoes can be bought at many sports stores or sneaker stores such as Foot Locker, REI, Merrell, Road Runners, Amazon, Ebay, or your nearest Payless may have them in stock.
No they are not, especially if you are new to barefoot running. For long distance runs you'll want something that gives your feet support, Merrell make other kinds of shoes which are better for long distance running.
Trail shoes are shoes for running in rough terrain. They are bulky and heavy I do not recommend running with them in places were there is not rough terrain.
The best trail running shoes have nylon puncture protection in the sole. Depending on where you are doing your trail running, better shoes will either have crampons or the ability to install them.
A regular pair of running shoes should be sufficient for trail running. But, if you are an avid trail runner, then you can find a pair of specific shoes called the Brooks Adrenaline ASR5.
This website, the 'Running shoe guru' will show you what kind of shoes are best for trail running and have reviews for you. http://www.runningshoesguru.com/best-trail-running-shoes/
Yes there are specific running shoes designed to run on trails. They are called Trail Running Shoes. They are made specifically for trail running just like street running shoes are specifically made for the street.
The new balance trail running shoes average in price from eighty to ninety dollars before taxes. Add on shipping and it could get to about one hundred dollars. They are great shoes and not many compare.
Some of the new shoes coming out are like walking barefoot. They are Vibram FiveFingers, Fila Skeletoes, The Instinct by Altra Running, Terra Plana Evos, Mizuno Wave Universe 3, Merrell Men's Barefoot Trail Glove, New Balance Minimus, and Nike Free.