Sheldon loves his test pattern tee and can be seen wearing it quite a few times during numerous shows! You can see it in The Big Bang Theory in Season 2, Episode 11 (The Bath Item Gift Hypothesis); Season 3, Episodes 2 (The Jiminy Conjecture) and Episode 18 (The Pants Alternative) and Season 5, Episodes 6 (The Rhinitis Revelation) and 15 (The Vacation Solution). Light Blue 100% Cotton Officially Licensed Standard Fit More 'The Big Bang Theory' items: The Big Bang Theory Merchandise

Sheldon wears a lot of awesome shirts on The Big Bang Theory, but if you really want to be a fanboy, this is the one that will set you apart from all the rest! This officially licensed shirt is worn by Sheldon several times over the course of several seasons, making it a perfect choice for any fan of the show. Season 2, Episodes 2 (The Codpiece Topology), 11 (The Bath Item Gift Hypothesis) and 16 (The Cushion Saturation); Season 3, Episode 23 (The Lunar Excitation); and Season 4, Episode 2 (The Cruciferous Vegetable Amplification). Purple 100% Cotton Officially Licensed Standard Fit More 'The Big Bang Theory' items: The Big Bang Theory Merchandise

Zappos.com is proud to offer the BOSS Black - Pure Cotton V-Neck T-Shirt 3-Pack (White) - Apparel: A wardrobe essential from BOSS Hugo Boss™. ; Short sleeve t-shirt in comfortable pure cotton rib fabric. ; Slim fit. ; High banded v-neck. ; Three per pack. ; 100% cotton. ; Machine wash cold, tumble dry low. ; Imported. ; If you're not fully satisfied with your purchase, you are welcome to return any unworn and unwashed items with tags intact and original packaging included.

Zappos.com is proud to offer the BOSS Black - Pure Cotton V-Neck T-Shirt 3-Pack (Multi/Grey) - Apparel: A wardrobe essential from BOSS Hugo Boss™. ; Short sleeve t-shirt in comfortable pure cotton rib fabric. ; Slim fit. ; High banded v-neck. ; Three per pack. ; 100% cotton. ; Machine wash cold, tumble dry low. ; Imported. ; If you're not fully satisfied with your purchase, you are welcome to return any unworn and unwashed items with tags intact and original packaging included.

Zappos.com is proud to offer the BOSS Black - Pure Cotton V-Neck T-Shirt 3-Pack (Black) - Apparel: A wardrobe essential from BOSS Hugo Boss™. ; Short sleeve t-shirt in comfortable pure cotton rib fabric. ; Slim fit. ; High banded v-neck. ; Three per pack. ; 100% cotton. ; Machine wash cold, tumble dry low. ; Imported. ; If you're not fully satisfied with your purchase, you are welcome to return any unworn and unwashed items with tags intact and original packaging included.