Vuori Strato Tech Tank Mens Large Charcoal Heather V167 Performance Muscle Tee. This high-performance sleeveless top is crafted from an incredibly soft, moisture-wicking fabric with UPF 30+ protection, making it ideal for training, running, or everyday active wear. The charcoal heather finish offers a versatile, modern look, while the 4-way stretch material ensures maximum comfort and range of motion during any activity. Measurements: • Chest: 20" (40" doubled) • Length: 28"