Theory Activewear for Men

Explore Theory Activewear for a curated selection of premium attire that blends sophisticated design with athletic functionality. From the luxe touch of the Dark Chestnut Wool and Cashmere Hoodie to the versatile Terrance Jogger, each piece exemplifies the brand's commitment to quality and comfort. Featuring a palette that ranges from crisp whites to deep blues, the collection is crafted for those who appreciate enduring style in their performance wear. Whether you're drawn to the classic allure of the Crewneck Sweatshirt or the modern finesse of the Mattis Waffle Knit Hoodie, Theory's lineup offers seamless transitions from workout sessions to casual outings. Shop the range on Lyst to find exceptional deals on men's activewear without compromising on elegance or craftsmanship.