I claim the ornamental design for a compression sleeve, as shown and described.
FIG. 1 is a first perspective view of a compression sleeve worn on a user's arm.
FIG. 2 is a second perspective view of the compression sleeve, that is opposite the first perspective view, worn on a user's leg.
FIG. 3 is a top plan view of the compression sleeve.
FIG. 4 is a bottom plan view of the compression sleeve.
FIG. 5 is a front-side view of the compression sleeve.
FIG. 6 is a right-side view of the compression sleeve.
FIG. 7 is a back-side view of the compression sleeve; and,
FIG. 8 is a left-side view of the compression sleeve.
The broken line showing of a human form is for the purpose of depicting environment and forms no part of the claim. The broken line showing of a compression sleeve is for the purpose of depicting portions of the article and forms no part of the claim.