1. Crazy Bro's Tees Back To Back World War Champs Men's T-Shirt (Small, Navy Blue) (Click Link to Check Price on Amazon)
Editor's Rating : 9.2 out of 10
This Shirt is inspired by World War ChampsPrinted in the USA by Crazy Bros Tee's!

2. Raw T-Shirt's Undisputed Back 2 Back - World War Champs USA Men's T-Shirt (XX-Large, Royal Blue) (Click Link to Check Price on Amazon)
Editor's Rating : 8.8 out of 10
100% cotton (preshrunk). This shirt has seamless double needle collar with double-needle sleeves and hem with a taped neck and shoulders.Printed in the USA by Raw T-Shirts

3. CafePress - Back To Back World War Champs T-Shirt - 100% Cotton T-Shirt, Crew Neck, Soft and Comfortable Classic Tee with Unique Design (Click Link to Check Price on Amazon)
Editor's Rating : 9.9 out of 10
These quality short-sleeve crew-neck t-shirts are 100% pre-shrunk cotton (cotton/polyester blend for gray colors) and are soft and durable for a comfortable feel. Fit is unisex standard (size up in doubt). S, M, L, XL, XLT, 2XL, 2XLT, 3XL, 3XLT available.Our graphic tee designs are professionally printed, so your unique design will look great and make someone smile with the funny, cute, vintage, or expressive artwork.

4. Back To Back World War Champs America Sillhouette Edition (Click Link to Check Price on Amazon)
Editor's Rating : 9 out of 10
Super soft cotton-poly blended, wrinkle-resistant fabricLightweight, soft-to-the-touch, screen-printed design

5. Eagle Back To Back World War Champs Unisex-Adult Trucker Hat -One-Size (Navy/White/Navy) (Click Link to Check Price on Amazon)
Editor's Rating : 9.9 out of 10
Poly Foam/Mesh5 panel