Burton AK 3L Pitto Jacket: Surf right through all the ish Momma Nature can throw your way in Burton’s AK 3L Pitto Jacket. All AK jackets feature durable Gore-Tex construction and fully taped seams for ultimate waterproofing. A full-time contour hood, waist gaiter, and zip-in jacket to pant interface work together to keep snow from sneaking in the top or bottom of your jacket. Riri AQUAZip water-resistant zippers complete the list of seamless water keepy-outy qualities that, along with unmatched style, define Burton’s AK series.