As someone who pays close attention to Men's Fashion I can confidently say that these Classic Black Activewear pieces are must-haves. THROUGH trial and error, I found that the X-Large size provided a perfect fit, not too tight or too loose... The material feels high quality and the sleek design makes me feel like I can wear them both for workouts or casual outings. The only downside would be the price point, but it's worth the investment for a versatile and durable wardrobe staple..