Disagree that cycling shoes need to be snug. IMO, there should be adequate room for your foot to spread under load and for air to circulate. Insufficient width or room to move can cause hot spots or numbness. Your foot will swell slightly in hot weather. In cooler weather, insufficient room restricts blood flow causing cold numb toes. In providing force the the pedal, your forefoot presses down, and the heel and instep pull back and up. There is no reason for the front of the shoe to be snug.