Description
OS1st AF7 Ankle Bracing Sleeve, Single
The OS1st® AF7® Ankle Bracing Sleeve is a high-performance ankle stabilization sleeve that is comfortable and lightweight.
It replaces bulky and complicated velcro or restrictive ankle braces.
Simply wear the soft nylon microfiber sleeve on the ankle, which applies targeted compression using professional KZT technology to provide full coverage and support immediately.
The AF7® provides stability on both the medial and lateral sides of the ankle, helping improve balance and preventing falls or sprains while reducing swelling.
It offers medical-grade support with a flexible fit, moisture-wicking fabric, seamless construction, and anatomical left/right design for a perfect fit.
It is suitable for swollen, weak, or injured ankles and can be comfortably worn during daily activities or sports without restricting movement.

Compression Zone Technology®
Targets specific areas with the right amount of compression
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Base Layer Bracing
Thin, flexible, non binding construction
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400 Needle Construction
Ultra thin and comfortable
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Circumference Sizing
For the perfect fit
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Moisture Wicking
Keeps skin dry
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Silicone Grip
Stays in place
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Comformance® Yarns
Keeps air flowing
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Silver Ion Technology
Anti-stink & anti-microbial
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Features
Professional medical support designed for ankle discomfort and instability
Soft and elastic design for easy wearing without restriction
Moisture-wicking material
Can be worn over your own socks to provide additional support and stability
Use during walking and sports to provide protection and prevent injury
Indication
Mild ankle sprain
Unstable ankle
Swollen and uncomfortable ankle
Compression Zone Technology®,CZT®
Compression Zone Technology or "C-zone technology" is a patented, evolutionary approach to performance sleeves and socks uses top-of-the-line, precision knitting machines to seamlessly transition levels of compression from moderate to firm within a sleeve or sock to target specific conditions.
OS1st AF7 Ankle Bracing Sleeve is made using top-tier precision knitting machines that accurately divide the socks into 7 compression zones.
They provide varying levels of compression and stability to different parts of the foot and joints, helping to relieve discomfort caused by overuse in daily life.
Textile engineering – We patented our technology after extensive research and medical testing on the affects of our targeted compression on Plantar Fasciitis and grew from there.
Advanced equipment – Our products require precision knitting machines which happen to be the most technologically advanced machines in the world
Hydro-transfer system – We select the best Micro-Fiber yarns with moisture-management built-in so there's no chance for sweat to stay trapped in your compression product
Lycra® Energize fiber - Our compression feels like a custom fit because we've woven in specialized fibers to keep it close-fitting and flexible
No bulk – The use of premium materials, targeted zones of compression and top-of-the-line machinery results in sleek, thin products that are still durable yet soft
K-Zone Technology,KZT®
KZT® is a breakthrough design that provides the benefits of a kinesiology taping treatment without the inconvenience of its temporary and binding nature.
Using a hypoallergenic gel stabilizer system with high resistance fabrication zones, KZT® creates a strapping type effect in specific areas to steady and help secure supportive joint structures.
The result is stabilization without immobilization.
Proper medical-grade compression in combination with KZT® provides a slip-on therapy solution for use whenever you need it.
Specification
Color: Black
Size: S / M / L / XL / XXL
Material: 24% LYCRA® Spandex, 76% Micro-Nylon
Origin: US Brand, Made in Taiwan
Size
Measure the circumference around the ankle and select your size according to the size chart (measurement location is shown in the product introduction images).
S 6.5 - 8.5 in / 17cm - 22cm
M 8.5 - 10.5 in / 22cm - 27cm
L 9.5 - 12.5 in / 24cm - 32cm
XL 12 - 14 in / 30cm - 36cm
2XL 13 - 16 in / 33cm - 40cm
Usage Instructions
Please wear this product correctly, avoiding any creases, and follow the proper positioning as demonstrated on the packaging images.
For first-time use, it is recommended to wear for 1–2 hours (adjust according to personal condition); after confirming no discomfort, gradually increase the wearing duration. Each use should not exceed 8 hours.
For individuals with sensitive skin, if any allergy, eczema, pain, or other abnormal reactions occur, discontinue use and consult a doctor.
People with diabetes should consult a doctor before use.
Care Instructions
Wash gentle on cold
Tumble dry on low heat
No bleach or fabric softener