Start with the inside measurements.
Compare open-ended sleeves, closed extensions and powered models by published fit dimensions, materials and care requirements.
Compare sleeve dimensionsRead the fit label
- Opening
- Width across the entrance.
- Cavity
- Depth of the hollow section.
- Added tip
- Length beyond the cavity.
Compare by construction
Open and textured sleeves

Performance Studded Sleeve
Unlisted · Open-ended

Oxballs Fido Sheath
Unlisted · Unlisted

Renegade Reversible Power Cage
Unlisted · Unlisted
Closed extensions

Size Matters Silicone 2 in Extension
1.5 in cavity · 2 in

Size Matters TPR 3 in Extension
1.5 in interior · 3 in

Jock Extra Long 3 in Extension
1.25 in opening, unstretched · 3 in

Fantasy X-Tensions Perfect 2 in
1 in inner diameter · 2 in

Fantasy X-Tensions Mega 2 in
1.25 in inner diameter · 2 in
Powered sleeves

Gender X Rocketeer
Unlisted · Unlisted

Up Extend It Up
Unlisted · 2 in

Renegade Sidekick
Unlisted · Unlisted
Sizing and care guides
- Read the four sleeve measurements
Compare the opening, cavity depth, outside width and added tip independently.
- Open, closed and powered sleeve construction
Check the opening, tip and controls for the specific design you are considering.
- Materials, lubricants and cleaning
Read the care instructions for each component before you buy.