I bought these in black last year as I am chunky of calf, I'm thinking of getting either the dark brown or tan version, which should I get? [[http://direct.asda.com/george/womens/shoes-boots/leather-boots/G004768616,default,pd.html tan]] [[http://direct.asda.com/george/womens/shoes-boots/leather-riding-boots/G004766174,default,pd.html conker]]