Open collar

Open collar shows collar leaves spread open without tie.

Camp collar is revere construction. Revere is the lapel-like fold.

Revers terminology covers open collar folds on camp and aloha shirts.[1] Auckland Museum camp-shirt photography shows open revere collar on cotton resort shirting.[2] Aloha shirt histories place open collar at the center of resort menswear.[3]

Open collar reads relaxed without tie on linen and cotton.[1] Open differs from spread tied business.[2] Contrast with wing collar formal.[3]

Today open collar appears on camp shirts, aloha shirts, and casual linen dress in cotton.[1][2] Open collar linen shirt reads Mediterranean casual.[3] When collar leaves worn open without tie—open collar applies.[2]

Resort wear, weekend casual, aloha shirts, and linen summer dress.[1]

Open collar needs one or two buttons open—not fully unbuttoned unless oversized camp.[2] Linen open collar reads summer resort.[1]

Camp is revere construction. Revere is fold type. Convertible can tie or open.[1]

Open collar reads relaxed, resort, and tie-free. Linen open collar shirt reads summer Mediterranean.

Open collar vs camp collar? Camp is revere construction; open collar is how it is worn.[1]

Open collar vs revere? Revere is fold type; open collar is casual wear style.[1]

Open collar business? Casual only—not tied office dress.[2]