minnetonka booties for 5 month old

[cchavez]

I want to get some minnetonka booties for my husband's cousin's dd...she is almost 5 months....what size do I get her? She lives in another states so we never see them. Also do you prefer the pink or brown? Thanks!

http://www.shoebuy.com/minnetonka-genuine-sheepskin/139444/322188

http://www.shoebuy.com/minnetonka-genuine-sheepskin/43157/43157