Mophie Snap + Multi device Custom Travel Chargers, Black Oxford Center front Vislon® zipper has wicking CT107814 XL Carhartt Brown Center front Vislon® zipper has wicking interior storm flap and zipper garage at chin for next to skin comfort COTTON RICH SOFTNESSSTAY COOL WICKINGLAYERABLE WARMTH 64 36 cotton poly flatback knit OGIO Endurance heat transfer label for tag free comfort Zip through cowl collar Exposed coil zipper with molded cord pull Welded front zippered pockets with locking pulls Raglan sleeves with welded articulated elbows O Endurance heat transfer at back right shoulder OGIO binding at cuffs and hem Stacked O heat transfers on sleeves Slight drop tail hem O heat transfer at front left hem The mophie® Snap + Multi device Travel Charger has built in magnets that are MagSafe compatible You can even charge a third and fourth device with up to 10W using the additional USB C and USB A ports