Big Boys 5-pk. Super Mario Brothers Briefs

He'll enjoy these colorful briefs by Super Mario Brothers! Five-pack briefs feature durable elastic bands, moisture wicking properties, stretch fabric, and a variety of prints.

Super Mario Boys Mario Briefs Pack of 5 Underwear for Kids Multicolored 6 : Clothing, Shoes & Jewelry

Little Boys 5 Pack Super Mario Briefs, Color: Assorted - JCPenney

Kids' Underwear & Socks - Macy's

Wario, MarioWiki

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He'll enjoy these colorful boxer briefs by Minecraft! Four-pack boxers feature durable elastic bands, moisture wicking properties, stretch fabric, and

Big Boys 4-pk. Altheltic Super Mario Boxers

Nintendo Boys' 8 Pack 100% Combed Cotton Briefs with Mario, Luigi, Toad, Yoshi, Peach & Bowser, Sizes 4, 6, 8, 8-Pack: Clothing, Shoes & Jewelry

This 5-pk. socks features a fun Minecraft print and no show styling. Fabrication 97% polyester 3% spandex.

Boys 5-pk. Minecraft No Show Socks

Paw Patrol Marshall Chase 2 Pack Boys Boxer Briefs

5-Pack Nintendo Boys Super Mario Bros Cotton Underwear Briefs