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Women's Trouser Guide

Men's Trouser Guide

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Theory Wardrobe

Theory Wardrobe

Discover our core collection—endlessly versatile, impeccably crafted, and timelessly designed.

Theory Project Spring 2023

This spring, Lucas Ossendrijver’s Theory Project collection is back with a fresh perspective. Discover the fluid fabrics, utilitarian details, and kinetic prints that capture the energy and movement of New York City.