U.S. Mail Carrier Pup Size:- Large As seen in Jurassic World:

As seen in Jurassic World: The Fallen Kingdom (2018)

Rope look belt

Headpiece with Cape

or just plain nasty old person with this Latex Old Gus Mask from Ghoulish Productions

As far as fashion went

U.S. Mail Carrier Pup Size:- Large As seen in Jurassic World:DESCRIPTION: Man's best postage delivery service. The US Mail Carrier Pup dog costume is a combined shirt and front legs piece with attached arms. It also comes with a cap with USPS logo and a box sheet. The box is cut out and folded from the sheet and attaches to the "hands" with Velcro. An additional USPS logo is on back shirt. CONTAINS: Shirt with attached Arms Cap Box AVAILABLE SIZES: XS, S, M, L