Square Acetate Glasses

Saint Laurent's understated black glasses are ideal for underpinning everyday ensembles. They're crafted in Italy from acetate to a square silhouette and accented by silver-tone metal YSL logos at the temples – a house signature created by Cassandre in 1961.

• Acetate

One of the most resounding names in fashion, Yves Saint Laurent was the first couture house to introduce the concept of luxury ready to wear. Today, the iconic label is fronted by Anthony Vaccarello, who aims to explore Saint Laurent’s early years through his creations.