








XL Ultra Mega
The XL Ultra Mega Stem Bag comfortably fits a 32oz Nalgene® bottle, but can also hold snacks, a small growler, and more! With a secure three-point attachment, it fits most bikes with ease, and the flexible design adapts to any setup, ensuring a snug fit no matter what you ride. When paired, these bags interlock seamlessly with each other and other PNX Bags.
PNX Bags only uses the best materials to create strong and long-lasting bags. From the moment you hold one, you'll know this was built to last.
• 1000 Denier Coated Cordura® Nylon Fabric
• 400 x 300 Denier Cross Dyed Nylon / Polyester Mini Diamond Coated Ripstop Fabric
• VELCRO® Brand One Wrap
The XL Ultra Mega Stem Bag comfortably fits a 32oz Nalgene® bottle, but can also hold snacks, a small growler, and more! With a secure three-point attachment, it fits most bikes with ease, and the flexible design adapts to any setup, ensuring a snug fit no matter what you ride. When paired, these bags interlock seamlessly with each other and other PNX Bags.
PNX Bags only uses the best materials to create strong and long-lasting bags. From the moment you hold one, you'll know this was built to last.
• 1000 Denier Coated Cordura® Nylon Fabric
• 400 x 300 Denier Cross Dyed Nylon / Polyester Mini Diamond Coated Ripstop Fabric
• VELCRO® Brand One Wrap
The XL Ultra Mega Stem Bag comfortably fits a 32oz Nalgene® bottle, but can also hold snacks, a small growler, and more! With a secure three-point attachment, it fits most bikes with ease, and the flexible design adapts to any setup, ensuring a snug fit no matter what you ride. When paired, these bags interlock seamlessly with each other and other PNX Bags.
PNX Bags only uses the best materials to create strong and long-lasting bags. From the moment you hold one, you'll know this was built to last.
• 1000 Denier Coated Cordura® Nylon Fabric
• 400 x 300 Denier Cross Dyed Nylon / Polyester Mini Diamond Coated Ripstop Fabric
• VELCRO® Brand One Wrap