Check the listing for details. Authentic Porsche GT4 Backpack. Color: Black / Yellow, Condition: New with tags. Suitable for Hiking, Biking, Skiing, Swimming, ATV, Car Racing, Kart Racing, Motocross/Enduro, Off-Road, On-Road, Snowmobile. Listed at 69.99 USD. The Porsche GT4 Lightweight GYM Bag Backpack Rucksack is a stylish and functional accessory for outdoor enthusiasts. Made of durable polyester material in a sleek black and yellow color scheme, this small rucksack features a spotted pattern with visible logos of GT4 and Porsche. The zipper closure and sturdy polyester handle make it convenient for on-the-go activities such as ATV riding, skiing, biking, and more. Perfect for both adults and kids, this unisex rucksack is a must-have for those who enjoy adventure and outdoor sports. Complete with a keychain for added convenience, this backpack is a versatile and high-quality choice for any outdoor enthusiast.