"Natural and fresh" is an English equivalent of the French phrase naturel et frais. The masculine singular phrase also translates as "natural and cool" according to English contexts. The pronunciation will be "na-tyoo-reh-ley freh" in French.
In French, cool is spelled "cool." The pronunciation is the same as in English.
frais
sec means dry. The French word for dry is 'frais' or 'fraîche'.
Frais or Fraiche depending on gender
Frais/fraîche
fruits frais
c'est frais/fraîche (il fait frais means the weather's cold)
"Il fait frais."
Frais, meaning cool (weather)
Fresh...as in fresh produce, fresh fruits or if you are being fresh with someone!
du maïs frais
fresher days is spelled 'des jours plus frais' in French