Cock Sheath Review: Fat Boy Micro Ribbed by Perfect Fit

The Perfect Fit Fat Boy Micro Ribbed Cock Sheath is a girth enhancing cock sleeve (no significant length increase). It is made of SilaSkin which is a proprietary material from Perfect Fit that is very flexible and feels amazing for the user. It provides 0.7″ of additional girth (Diameter) and comes in three length sizes: 5.5″, 6.5″ and 7.5″. The inside has nubs and ridges for the pleasure of the person wearing the sheath and the outside has a micro ribbing for the pleasure of the receiver.

My Experience with the Perfect Fit Fat Boy Micro Ribbed Cock Sheath

I ordered the 7.5″ Micro Ribbed Fat Boy for this review. I’ve already owned the 6.5″ Fat Boy Thin for a couple of years and found it just a bit short. When I opened the box and first saw the 7.5″ in person, I was nervous that it was going to be both too big for me and too big for her. But, the nice thing about SilaSkin is that it is extremely stretchy. This means you can either stretch it out along your shaft to make it longer or push it back against the base of your penis to make it shorter.

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Tips for cock sheath use

This cock sheath is very easy to put on and holds nicely in place with a comfortable ball strap. If the sheath is a little short for your penis length, it may not cover your entire shaft and if it is a little long, you may end up with a little “reservoir tip” (like a condom) when it is not being pushed back (in use). The inside has bumps and ridges that create a very pleasant friction for the user because the sheath will move slightly around your cock even during penetration. Surprisingly, with a cock sheath this thick, you can still feel a lot of sensation and easily cum during penetration. Note that when you use it for masturbation it is best to use a lot of lube but I would recommend using only a small amount of lube when using for penetration. With less internal lube, the cock sheath will move less and you will create friction with your partner while still providing plenty for yourself.

Understanding added girth

SilaSkin is what makes this sex toy amazing

For me, a cock sheath needs to do a few things really well and most of those have to do with the material. First, it needs to fit the user securely but not too tight and have enough give to provide some internal friction against the penis. Two, it must feel natural/pleasant to the user and receiver. Three, it needs to be visually pleasing to excite both the user and the receiver. SilaSkin does all of this. As long as you make sure that it is warmed up a bit (soak in hot water or just put it on 15min early), the Perfect Fit Fat Boy Micro Ribbed cock sheath does it all. It feels like skin or at least a huge cock in a condom and can definitely get you both off at the same time. It’s not an everyday toy to me, but it’s definitely a fun way to spice things up and give both of you something a little different and a lot sexy.

Lubes and Warranties

It’s interesting to note that SilaSkin is a proprietary blend of TPR and Silicone but product use instructions state that you can still use either water-based or silicone lube on both the inside and outside. I stick to the rule of using water-based lubes with all my toys, just to be extra safe, but it is interesting that silicone lubes are allowed with this SilaSkin material. It’s also nice to see that the Fat Boy Micro Ribbed comes with a one-year replacement guarantee with some reasonable terms and conditions of course.

Cleaning and Storage

Basic cleaning for SilaSkin is the same as most sex toys. Soap and water are safe and it is best to use a sex toy cleaner spray to keep it sanitized. The Fat Boy Micro Ribbed comes with a nice stand which I would recommend keeping. After washing, you can simply put it on the stand to dry. For storage, they recommend putting it in a cotton sock which helps to maintain the SilaSkin and keep the toy from touching other toys in your sex toy chest.

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