The casual long sleeve shirt is also as couple wear ,just accoding to your body chest measurement. Wear it as a layer, wear it by itself.

• Noted:Tag L = US 4 Chest:34;Tag XL = US 6 Chest:36,Tag 2XL = US 8 Chest 38;Tag 3XL=US 10 Chest:40;Tag 4XL = US 12-14 Chest:42-44;Tag 5XL = US 16 Chest:46;Tag 6XL = US 18 Chest 48.Please check product size chart before ordering to ensure accurate fitting
• Loose fit
• Machine Wash
• Ribbed cuffs
• Couple wear,unisex

Noted:Tag L = US 4 Chest:34;Tag XL = US 6 Chest:36,Tag 2XL = US 8 Chest 38;Tag 3XL=US 10 Chest:40;Tag 4XL = US 12-14 Chest:42-44;Tag 5XL = US 16 Chest:46;Tag 6XL = US 18 Chest 48.Please check product size chart before ordering to ensure accurate fitting