Men's innerwear made of 100% cotton with antibacterial and odor-resistant processing for a comfortable fit. - Set includes: Short-sleeved T-shirts x 2 pairs (4 pieces total) Long-sleeved T-shirt x 1 Long underwear x 1 - Material: 100% cotton - Features: Some items have antibacterial and odor-resistant processing - Design: Flat seam stitching - Size: M Please refrain from purchasing if you are sensitive to items stored at home. All items are shown in the images. Please confirm the items carefully and make your purchase only if you are satisfied. Thank you for viewing.