adidas Originals Utility 3.0 Boonie Hat Whether exploring the wilderness or the streets of your city, you'll be made in the shade with this adidas boonie hat on your noggin. This version of the classic headwear has an extended brim and a little pocket on the side to stash something small The chin strap adjusts with a sliding toggle. Extended brim Adjustable bungee closure around crown. Gusset pocket on side Adjustable chin strap. 100% Polyester adidas Originals Utility 3.0 Boonie Hat. Whether exploring the wilderness or the streets of your city, you'll be made in the shade with this adidas boonie hat on your noggin. This version of the classic headwear has an extended brim and a little pocket on the side to stash something small. The chin strap adjusts with a sliding toggle. Extended brim. Adjustable bungee closure around crown. Gusset pocket on side. Adjustable chin strap. 100% Polyester. Imported.