This Is My Klingon Costume. Show your love for Star Trek with this Next Level tank top featuring the iconic Klingon character, Worf. The gray shirt is made of 100% cotton knit fabric, making it easy to care for and perfect for everyday wear. The sleeveless design and crew neck provide a comfortable fit, while the solid pattern and star theme add a touch of style. This T-shirt is a must-have for any Star Trek fan looking to add a unique and timeless piece to their wardrobe.