Ucon Acrobatics Hajo Medium Backpack in Black. Ucon Acrobatics Hajo Medium Backpack in Black. Custom-developed tech material by Ucon Acrobatics. Made from recycled fashion waste. Roll-top for scaling the volume can be easily and quickly closed with hook and loop fastener. Main opening closes additionally with zipper. Two external pockets on the sides e.g. for umbrella or bottle. High-quality interior compartment with built-in shock absorber fits a 16,4 laptop or tablet. Adjustable and padded shoulder straps guarantee a comfortable fit of the backpack. Measures approx 15.5 W x 23 H x 3.5 D. UCOR-MY1. 105411LI40524.