PixelTRex™ – Mammo “Staying Warm!” Youth T-Shirt

Staying Warm!

Cold all around, snow everywhere… and Mammo’s just sitting there like it was the plan all along. A firepit crackling, a few penguins gathered close—and one already roasting a marshmallow.

No fuss, no rush—just staying warm, sharing the heat, and enjoying the moment. Somehow, Mammo always ends up in the coziest spot… especially when snacks are involved.

This design is perfect for kids who like to stay cozy, keep things simple, and find a little fun even in the cold.

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Why you'll love it

• Original PixelTRex™ character design
• Bold pixel creature artwork
• Perfect for mammoth fans and pixel art lovers
• Comfortable everyday graphic tee

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Quality & Comfort

• 100% combed and ring-spun cotton
• Heather colors are 52% combed and ring-spun cotton, 48% polyester
• Fabric weight: 4.2 oz/yd² (142 g/m²)
• Pre-shrunk fabric
• 32 singles
• Regular youth fit
• Side-seamed construction
• Blank garment responsibly sourced from Nicaragua, the US, Guatemala, or Honduras

Lighter color variants may have a slightly softer, more lightweight feel.


This product is made especially for you as soon as you place an order, which is why it takes us a bit longer to deliver it to you. Making products on demand instead of in bulk helps reduce overproduction, so thank you for making thoughtful purchasing decisions!

Size guide