The performance and durability of the Burton AK 2L GORE-TEX cycling pants is well known. From local heroes to globetrotting professionals The Burton AK Seal of Approval is all anyone needs to see to know that they are known throughout the world throughout the mountain. Through years of snow testing and design refinements, these shell pants have become known as a must-have item for avid riders around the world.. Stay dry, stay warm, keep riding.