Meet your closet’s new favorite: the Theory Boyfriend Shirt in Relaxed Linen — easygoing, effortlessly chic, and endlessly versatile. With its menswear-inspired cut and oversized fit, it’s the perfect mix of borrowed-from-him and made-for-you. Crafted from breathable European flax linen, it’s lightweight, airy, and ideal for sunny days or stylish layering. Dress it up, lounge it down, this shirt does it all with understated flair.
Details & CareFounded on the bustling streets of New York City in 1997, Theory revolutionized contemporary fashion with the groundbreaking concept of incorporating stretch fabrics into tailored clothing, redefining the way we dress and live. Two decades on, their Manhattan-based label continues to set the standard for high-end wardrobe essentials, catering to an ambitious, urban clientele. With an unwavering commitment to excellence, Theory meticulously sources materials from the world’s finest mills and obsesses over every design detail in their in-house Atelier and Innovation Center; allowing them to craft the epitome of New York minimalism, where form meets function in perfect harmony, at the very heart of their market.
Shop TheoryThis piece fits true to size. We recommend you select your regular size.
- Designed for a relaxed fit
- Made from a mid-weight, non-stretch fabric
- The model is 178cm / 5’10” and wears a size Small (S)