1600 or 4pm for you old fashioned types the starting time of the le mans endurance race over a 24 hour period drivers will race the circuit de la sarthe over a distance of more than 3100 miles this pistonheads design is inspired by the racet shirt design reads 1600 phlm13our crew neck short sleeved mens t shirts are 100 premium cotton in a soft pre shrunk jersey knit our womens t shirts are lighter weight 150g tees made with deluxe 30s soft style yarns for a soft feel