ENGINEERED FOR A MAN'S HEALTH

WE COULD USE YOUR HELP

To date our first designs have been sold across 12 countries on 5 continents. Rave reviews encouraged us to continue our journey.

We’re now ready to send our latest collection into production. So if you’re interested in any of our products, please join our crowdfunding campaign now to make this happen.

As early birds you are rewarded with discount perks on INDIEGOGO. Pre-order your favourites now.

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EXPLORE OUR NEW COLLECTION

1. UNDERWEAR

BOXER SHORT & BOXER BRIEF  |  Silk interior with the option of cotton or silk exterior. Available in two variants: XY-Elements or XY-Protective. Both look and fit the same and come with the unique extra space silk pouch. The Protective offers an extra silk layer in the pouch, separating your private parts for additional comfort and protection.

2. PROTECTIVE SILK SLEEVES

 ALLROUND & ATHLETIC  |  Worn underneath to upgrade the comfort of your regular underwear.

WHAT MAKES GOOD UNDERWEAR?

1. SUPPORTS THE BODY

Genital skin is one of the most absorbent and delicate parts of your body, making underwear an extremely important layer of clothing to consider.

2. PROTECTS SENSITIVITY

We use organic and animal friendly silk in all our products. Silk, as a naturally nurturing and healing fabric, keeps skin young and supple. And for those who are circumcised, it prevents irritation. Increasing sensitivity and generating better looking skin within 30 days.

3. DESIGNED FOR GENITAL HEALTH

Ynside Underwear integrates a unique silk pouch, giving your genitals the ultimate comfort and space to breath, while supporting your reproductive organs.

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XY Boxer Brief

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XY Boxer Short

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XY Protective Sleeves

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MADE WITH ATTENTION TO EVERY DETAIL

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“The structure of my skin has changed into a smooth and more shiny surface. My sensitivity is much better.”

George - New York

“I never thought silk could have this effect on my skin. Now I understand why my wife wanted to buy silk pillows...”    

Aziz - London

“The best investment I made in years. It is super comfortable, yet super breathable. I am convinced!”

Jan - Amsterdam

"This underwear has improved my sex life more than any other method or product, I love it but my girlfriend loves it even more..."

Stan - Melbourne

"I never knew what I was missing until now"

Brad - Toronto

RETHINKING MEN'S UNDERWEAR

CIRCUMCISED OR NOT

Your body 24/7.

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NOT JUST UNDERWEAR

Produced by nature.

Ethically and sustainably produced. Caring for nature matters to us because we are a part of nature. Even vegans like our peace silk.

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Silk for men.

Designed to be sensitive, comfortable and masculine at the same time. Silk protein is a widely used bio-medical protein.

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Intimate care.

Try our 100% natural, organic and caring products. Handmade in Amsterdam. Designed for the male body.

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Transparancy in our pricing.

We make our underwear part of a bigger shift.

WHAT YOU SUPPORT

Interview with our founder.

Founder Rinke Feenstra opening up about his journey from engineer to underwear.

FOLLOW US

OFFICIAL CROWDFUNDING NOW LIVE!

Join us in getting the next production cycle started and make healthy underwear a part of your life. Many thanks and welcome to share.

Join campaign now