Yellow Yak mascot costume character dressed with a Flannel Shirt and Mittens from our Yak mascots. We also carry a wide selection of props to go with your mascot. From candy canes to snowmen, we have a variety of fun and festive items to choose from. You can also customize your mascot with a holiday themed inscription or logo to make it extra special. With our service, you can be sure that your event will be the talk of the town.. The Yellow Yak mascot costume character dressed with a Flannel Shirt and Mittens will be perfect for your Yak events. Many sizes available, premium quality, fully customisable with texts, logos, colors.