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  • Solid color t-shirts are 100% cotton; heather grey is 90% cotton, 10% polyester; charcoal heather is 52% cotton, 48% polyester
  • Ethically sourced
  • Slim fit, but if that’s not your thing, order a size up
  • 4.2 oz (145g), but if that’s too light, try our heavier Classic T-Shirt


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Ultimate Version – Porsche 911 GT3 997 Inspired
Designed by ShiftShirts
In order to celebrate the end of the 997 chassis, Porsche elected to build a limited number of lighter and more powerful GT3's. Considered by many as the Ultimate Version of the 911 as it would be the last GT variant to offer a manual transmission. Celebrate this automobile with the Shift Shirts designed merchandise.

Unisex T-Shirt

Ultimate Version – Porsche 911 GT3 997 Inspired by ShiftShirts