Originally Posted by Skuda25
I am looking to obtain a cheaper pair of MTN shoes for those really, really cold rides. Normal summer shoe size is 40. Should I go up to 41 or 43??? The shoe deal I am looking at only currently has odd sizes. I plan on wearing a gore tex sock and some wool socks
Normal mountain bike shoes won't be well suited to REALLY cold rides. Most are designed to ventilate and keep the foot dry/cool. It likely won't matter how large you go. There are other clipless winter options out there but most involve spending money and there are questions as to how low of temps they can be worn in.