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There is no requirement that you wear gym clothes when going on a trek; if you are just beginning your trip into the world of hiking, you may make use of stuff that you already have in your closet. You should wear a tank top and a plaid shirt for an easy trek since they are comfortable to move in and are suitable for any weather. However, you should also make sure that you have a decent pair of leggings and sneakers with you so that your feet do not become weary while you are walking.
