Using Wifi Module with the wearable boards

Hello Arduino World, I have a query that can i use the wifi module with the wearable boards like Gemma, Lilipad,etc. because This wearable devices can be taken to work effectively in case of IoT. If i can use it, than guide me how to do it and If i cant use it than what are the other options for such wearable devices to connect to the wifi or Internet. Waiting for your replies. Thank You