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Perfect Fit

Perfect Fit Fat Boy Thin 5.5 - Clear

Perfect Fit Fat Boy Thin 5.5 - Clear

Regular price Compare at $75.90
$53.13 CAD You Save 30%
After Code: SALE
Regular price Compare at | Sale price Sale $75.90
$53.13 CAD You Save 30%
After Code: SALE
FREE Discreet Shipping Over $59

At Thorn & Feather, we ensure fast and secure delivery.
Orders in Ontario (ON) and Quebec (QC) usually arrive within 2 business days, while other provinces take 3-4 business days. Deliveries to remote areas can be expected within 5-7 business days.
Shipping is free for orders over $59. For orders below this amount, we calculate shipping costs based on the actual charges from the courier.
All packages are shipped in discreet brown boxes to protect your privacy. We offer delivery to PO BOX addresses and post office pickup options—please indicate your preference in the order notes.
Orders over $69 shipped to the USA qualify for free shipping and usually arrive within 3-5 business days. You can upgrade to UPS delivery for an additional $10.
We are committed to sustainable practices, utilizing recyclable packaging and ensuring carbon-neutral shipping in collaboration with Canada Post and UPS.

Frequently Asked Questions

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“OMG! This is the one, so comfortable and exciting with the ribbing inside and the added girth for my partner! I have never reached such incredible orgasms – so sensuous and the arousal is sky high – you will see stars!”

If you and your partner are new to sheaths, or you’re afraid that adding more girth to your already massive member may send your partner bolting for the door instead of your bed, the Fat Boy™ Thin may be just what you need! Adding just .5” of girth to your penis (regardless of size), it will delicately intensify your solo and partner play. Meanwhile, the scrotum loop will keep it in place and provide you with a gentle ball tug. The super soft and stretchy SilaSkin™ material provides an ultra-real feel.

Available in 5.5”, and 6.5” lengths.

Spice things up with Perfect Fit Brand®'s super soft and stretchy penis sheaths, designed to give both partners intense, eye-rolling pleasure!
The Fat Boy™ line-up includes:
  • Fat Boy™ Thin
  • Fat Boy™ Ultra Fat
  • Fat Boy™ Checker Plate
  • Fat Boy™ Micro Rib
While all four sheaths add extra girth, the textures of the Checker Plate and Micro Rib are designed to provide both partners with added pleasure. The Checker Plate is the most arousing, while the Micro Rib provides a more subtle stimulation.
A thick loop at the base wraps around the scrotum to provide a pleasurable tug during play and act as an anchor, keeping the sheath in place.
Seriously Sensuous, Latex-Free Material
All Fat Boy™ sheaths are made with SilaSkin™, a proprietary latex-free material with a velvety texture that flawlessly mimics the real thing. Experience superior flexibility that stretches to fit penises of all shapes and sizes.
This product is not a contraceptive or substitute for a condom. Not compatible with latex products. Please store separately. Use water-based lubes.
Perfect Fit Brand® products are sold, and intended for use, strictly as adult novelty toys for entertainment. They are not intended for medical use and have not been clinically tested. No medical claims are warranted or implied by the use of these products. These products are phthalate free, do not contain latex, and meet European EN71-3 toy safety standards.


• Revolutionary SilaSkin™ material provides softness & stretch.
• Adds .5” girth – “just enough” for your partner’s pleasure.
• The scrotum loop gives a pleasurable tug while stroking or penetrating.
• Surprisingly easy to put on and take off.
• Ultra-real feel for intense, eye-rolling pleasure.


Color: Clear
Size: Small
Material: SilaSkin

UPC: 851127008161

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