You must select your brand attribute in Theme Settings -> Shop -> Brands
Price range: $4.99 through $14.79
Price range: $9.99 through $15.99
Price range: $9.99 through $19.99
Price range: $9.99 through $20.99
Price range: $3.99 through $15.99
Price range: $2.99 through $19.99
Price range: $2.99 through $9.99
Price range: $3.50 through $7.99
Price range: $9.99 through $13.99
Price range: $5.99 through $19.99
Price range: $9.99 through $15.00
Price range: $7.99 through $24.99
Price range: $3.00 through $16.50
Price range: $4.99 through $9.99
Price range: $6.99 through $12.69
Price range: $0.99 through $9.99
Price range: $5.99 through $22.99
Price range: $2.99 through $24.99