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Front image of the ultimate Gym String product in black. This design showcases the Gym String apparel, crafted for both performance and style.
Front image of the ultimate Gym String product in black. This design showcases the Gym String apparel, crafted for both performance and style.
Side image of the ultimate Gym String product in black. This design showcases the Gym String apparel, crafted for both performance and style.
Front image of the ultimate Gym String product in black. This design showcases the Gym String apparel, crafted for both performance and style.
Side image of the ultimate Gym String product in black. This design showcases the Gym String apparel, crafted for both performance and style.
Back image of the ultimate Gym String product in black. This design showcases the Gym String apparel, crafted for both performance and style.
Front image of the ultimate Gym String product in black. This design showcases the Gym String apparel, crafted for both performance and style.
Side image of the ultimate Gym String product in black. This design showcases the Gym String apparel, crafted for both performance and style.
Back image of the ultimate Gym String product in black. This design showcases the Gym String apparel, crafted for both performance and style.
Product image of the ultimate Gym String product in black. This design showcases the Gym String apparel, crafted for both performance and style.
Sale price £21.99

Tax included

The Black Ultimate Gym String

Sale price £21.99

Tax included

Buy more, save more!

Buy 3 pairs & save!

Colour: Black
Size
Size chart

The Black Ultimate Gym String – Discreet Protection, Unmatched Performance

Stay focused on your workout, not your worries. Our Black Ultimate Gym String is designed to absorb up to 5ml of spotting, discharge, and light leaks—so you can train with total confidence. Crafted from breathable, moisture-wicking bamboo fabric, it’s anti-odour, ultra-soft, and naturally hygienic, delivering all-day freshness and discreet protection.

Product Details

Key Features:

Discreet Leak Protection – Absorbs up to 5ml of spotting, discharge, and light leaks for peace of mind during movement.

Moisture-Wicking & Odour-Resistant – Breathable bamboo fabric keeps you dry, fresh, and irritation-free.

Sleek & Seamless Design – A smooth, chafe-free fit that feels invisible under activewear.

Flexible, Secure Fit – Contours to your body for unrestricted movement and lasting comfort.

Durable & Gym-Tested – Retains its shape and performance through every workout.

Power through your workouts with confidence, comfort, and discretion. The Black Ultimate Gym String is your ultimate training essential—innovative protection, effortless style.

Fabrication

· Outer: 95% Bamboo, 5% Elastane
· Gusset: 95% Bamboo, 5% Elastane/ 100% Wool/ 100% Polyester
· Trims excluded
· Bamboo fabric offers natural antibacterial properties, odour control, and temperature regulation for lasting freshness and comfort.

Care Instructions

· Rinse in cold water until water runs clear.
· Machine wash cold for best results.
· Avoid using fabric softener to maintain performance.
· Air dry outdoors on a line or indoors on an airer.
· Do not tumble dry.

Shipping & Returns

Standard UK Delivery- £1.99 3-10 Business Days

Express UK Delivery- £6.00 1-2 Business Days

Due to hygiene reasons, our gym strings are non-returnable once opened or worn. For more details, please visit our Delivery & Returns page.

Durability

Withstands intense workouts and repeat use

Comfort

Soft yet secure for no chafing

Droplets Streamline Icon: https://streamlinehq.com

Moisture-Wicking

Keeps you dry during sweaty sessions

Rain Water Drop Streamline Icon: https://streamlinehq.com

Period Friendly

Innovative reusable absorption technology

A must have for your gym bag

Our innovative gym underwear is designed to be the invisible hero of your fitness journey.

Learn more

Perfect for every workout

FAQS

What makes Gym String different from regular gym underwear?

Gym String is designed for seamless, high-performance comfort, ensuring no visible panty lines (VPL), chafing, or irritation. Made from breathable, moisture-wicking bamboo fabric, it keeps you cool, dry, and supported during every workout.
How does the Period Gym String protect against leaks?

The Period Gym String is designed to absorb up to 5ml of spotting, discharge, and light leaks, giving you discreet protection and peace of mind during workouts. Made with a moisture-wicking, odour-resistant, and breathable bamboo fabric, it keeps you dry, fresh, and comfortable while you move.
How do I choose the right size for my Gym String?

We recommend checking our size guide to find your perfect fit. Gym String is designed to be snug yet flexible, moving with your body for all-day comfort and support. If you’re between sizes, we suggest sizing up for the best fit.
Can I wear Gym String for high-intensity workouts?

Absolutely! Gym String is made for all types of movement, from weightlifting and running to yoga and Pilates. The ergonomic fit, lightweight fabric, and seamless design ensure you stay comfortable, supported, and distraction-free.
How long does delivery take?

We offer fast and reliable shipping, with estimated delivery times provided at checkout. Standard shipping typically takes 3-5 business days, while express shipping is available for faster delivery.
Can I return or exchange my Gym String?

For hygiene reasons, we do not accept returns on worn or opened underwear. However, if your item is unworn and in its original packaging, you may be eligible for a return or exchange. Please check our Returns Policy for full details.
Front image of the ultimate Gym String product in black. This design showcases the Gym String apparel, crafted for both performance and style.
Front image of the ultimate Gym String product in black. This design showcases the Gym String apparel, crafted for both performance and style.
Side image of the ultimate Gym String product in black. This design showcases the Gym String apparel, crafted for both performance and style.
Front image of the ultimate Gym String product in black. This design showcases the Gym String apparel, crafted for both performance and style.
Side image of the ultimate Gym String product in black. This design showcases the Gym String apparel, crafted for both performance and style.
Back image of the ultimate Gym String product in black. This design showcases the Gym String apparel, crafted for both performance and style.
Front image of the ultimate Gym String product in black. This design showcases the Gym String apparel, crafted for both performance and style.
Side image of the ultimate Gym String product in black. This design showcases the Gym String apparel, crafted for both performance and style.
Back image of the ultimate Gym String product in black. This design showcases the Gym String apparel, crafted for both performance and style.
Product image of the ultimate Gym String product in black. This design showcases the Gym String apparel, crafted for both performance and style.
Sale price £21.99

Tax included

The Black Ultimate Gym String

Sale price £21.99

Tax included

The Black Ultimate Gym String – Discreet Protection, Unmatched Performance Stay focused on your workout, not your worries. Our Black Ultimate Gym String is designed to absorb up to 5ml of spotting,... Learn more
Colour: Black
Size