It depends on how often or how infrequent you use your Merrell running shoe. If your trail running shoes are not used for aggressive trail escapades or its use is few and far between, you should only wipe off any accumulated dirt using a piece of cloth or a brush with mild bristles. As soon as you get rid of all the dust, proceed to store your trail running shoes in a location that is not stuff or devoid of air. Storing your running shoes appropriately can affect the cleanliness as well as the longevity of your footwear. But enthusiasts of rough or rugged-road running should always remember to clean off any mud, trail debris or stones that stick to their running shoes with the use of a piece of wet cloth and a mild soap solution. To preserve the structural integrity of your running shoes silhouette, use warm water as this is the best option for the operation. Dry off the shoe by opening it via the removal of the insole and the laces. Direct sunlight is not good for shoes – and has never been for any kind – so opt for air exposure as this is the ideal way to dry the shoes off after a wash.