With the advent of wormhole-harnessing technology, scientists have discovered a way to open a portal to alternate dimensions. Since you’re the adventurous type, you’ve signed up to take part in the maiden voyage. With only a survival pack, every episode of Dr. Who memorized and Alpinestar’s Dimension hat on your head, you bravely stepped into the portal without any reservations. Some might consider your choice of hat to be strange, but something about its modern styling and three-dimensional rubber logo detailing put you at ease. Hey — a slick look is key to confidence and when it comes to dealing with denizens from another dimension, you need all the confidence you can get. S/M fits 6 3/4" to 7 1/4". L/XL 7 1/8" to 7 5/8".