In Friday the 13th: Part 2, Jason makes his first appearance. Prior to donning the iconic hock mask that we all know and love, he instead wears a cloth hood with a thin rope tied loosely around the neck and a single crudley-cut eyehole on the proper left eye.
The location of the mask(s) used in the film are currently unknown.
The exact overalls Jason wears in Part 2 are Vintage Dark Blue Lee Overalls. These overalls go on eBay from time to time but can be pretty expensive, but other alternatives can be found as well.
In Part 2 Jason wears a blue, black, and white plaid "Simply Basics" flannel. The shirt makes another brief appearance at the beginning of Part 3.
The boots worn by Jason in this installment are Tan World War II Era "Roughout" boots that have been heavily weathered.
As for weapons in this film, Jason wields a a Dexter 48910 10 inch Chef's knife, Imacasa 20' Panga Machete, Vintage Double Sided Pick Axe, vintage four prong potato pitchfork, and a production made spear.