This durable, rain-resistant, 28L pack is equipped with sweat-wicking shoulder straps and secure storage compartments to keep your gear safe everywhere from the job site to the camp site. 1200D heavy-duty polyester Rain Defender ® durable water repellent (DWR) Large main compartment with dedicated tablet sleeve Top com Carhartt - Foundry Series Dual-Compartment Backpack 28L