Fred Perry polo shirt with double stripe, model M3600. Crafted in our classic cotton piqué, with a modern fit. The M3600 has slightly slimmer proportions than our original M12 tennis polo, with clean lines on the collar and sleeve cuffs. Cotton piqué Normal fit Slightly slimmer proportions than the original M12 Double stripe collar and cuffs Two-button placket. The double stripe piqué polo was the first garment to feature our legendary 5-4-4 ratio stripe and remains the centerpiece of everything we do. A reinterpretation of the original Fred Perry polo with double stripe, the M3600 has a more modern fit. A garment with a story, an integral part of every new generation. A timeless classic. 100% Cotton Machine washable.