[UPDATED DESIGN] Featuring a crew neckline and sleeveless silhouette, the Muscle Fit Vest makes a perfect wardrobe staple. Crafted from super soft cotton fabrication and our signature True Muscle Fit, it enhances your athletic fit making for the perfect base-layer.  Wear with our Drawstring Chino Shorts for an effortless summer look. True Muscle Fit | 4-Way Stretch Sleeveless design | Super Soft Machine washable |95% Cotton, 5% Spandex Model wears a size M (His measurements are 42" chest, 31" waist) Muscle Fit Vest in Black