jeansian Men's Sport Slim Fit Sleeveless T-Shirt Tee Vests Tank Tops U001 Slim Fit Style, If you want "Loose Fit", Please Choose 1 Size Up Wash Instruction: Hand wash or Machine wash Quick Dry, Soft, Breathable, Lightweight, Comfortable for Sport Function. Slim Sport Tank Top Shirt is Good for Training, Running, Hiking, Playing, Excercing, Workout and ect. Please Check the Size Chart in the Vests Image or Product Description before your purchasing.