Eureka, Intrepid I Internal Frame BackPack All Internal Frame Backpacks >>> Internal Frame Backpacks by Eureka More details and ordering info. Eureka's Intrepid I internal frame backpack is designed for hiking, cross-country skiing and weekend camping trips. Loaded with pockets it's easy to store and find gear, and delivers comfort, control and freedom of movement. User input on Intrepid I Internal Frame BackPack by Eureka: Be the first to submit input on this product Submit Input: Your Name: Write or Paste Input here: Upload picture:      Review Guidelines