If you like loose fit,please choose one size up then you normally wear Breathable and lightweight moisture wicking mesh fabric helps keep you dry, cool and comfortable Ergonomic seams allow greater range of motion Reflective logo for low-light visibility Suitable for outdoor and indoor sports like running, athletic workout, jogging, training, gym, fishing, sailing, swimming, hiking, fitness activities etc EZRUN Men's Lightweight Quick Dry Running Workout T-Shirt.