Arc'teryx's design philosophy is simple: create clothes that allow you to explore the world comfortably, safely and with confidence. - This 'Kyanite' zip-up hoodie is made from plush, moisture-wicking Polartec® fleece with Power Stretch® Pro technology that allows for total freedom of movement - The fabric is abrasion-resistant, making it durable enough for serious treks - Insulating fleece lining helps lock in warmth, while the internal mesh panels increase breathability - Low-profile ScubaHood™ provides coverage from the elements - No Slip Zip™ prevents the zipper from coming undone - Stash protein bars in the zipped pockets to re-fuel