Hello and thanks for the question about our high quality plastic or composite materials.  Here is a brief explanation of each: 

• Cross-Max
         Our best quality High Density Poly Ethylene (HDPE) rotomolded plastic provides the perfect balance between stiffness, weight, durability and quality of finish at our most affordable price.

•    Cross-Light
         Combining the advantages of rotomolded and composite (fiberglass/Kevlar/carbon) materials, the result is stiffer, faster, up to 25% lighter boat in ABS with a fantastic shiny finish. It is significantly more affordable and durable than a composite boat.
  
  
• Ultralight
  This ultralight material is similar to Cross-Light ABS construction with an emphasis on weight reduction. This gives it an additional 15-25% weight savings vs our crosslight construction, which makes these the lightest kayaks in their category, bar none!
  
  
•    Composite
         Our lightest weight material in either fiberglass or Kevlar cloth is our fastest and most efficient boat. Being hand built, results in a higher price and although a little less durable than plastic boats, they can be repaired more easily.

Sincerely,