You must select your brand attribute in Theme Settings -> Shop -> Brands
Price range: $3.00 through $9.00
Price range: $16.95 through $36.95
Price range: $4.00 through $20.00
Price range: $9.99 through $22.71
Price range: $7.99 through $25.00
Price range: $3.99 through $19.99
Price range: $3.99 through $19.99
Price range: $4.99 through $27.99
Price range: $7.95 through $15.99
Price range: $4.99 through $12.99
Price range: $15.00 through $25.00
Price range: $5.00 through $20.00
Price range: $3.99 through $19.99
Price range: $11.99 through $19.99
Price range: $3.99 through $4.99
Price range: $4.99 through $9.99
Price range: $6.95 through $19.95