When your essential gear needs a new home, consider the Essential 21L Laptop Backpack from Carhartt. This pack is made of 600 denier polyester with Rain Defender® durable water repellent. It has a large main compartment with a dedicated 15in laptop pocket. This pack also has an additional compartment to organize smaller items. There is a side pocket for storing additional smaller items. This pack is essential for your essential gear.