S-King Sports Performance Insoles are engineered for athletes and active individuals seeking high-performance support. Combining impact cushioning, stability, and moisture management, they help unlock your full athletic potential.

S-King height increasing insoles use high-density EVA and cushioning PU with ergonomic design for safe, natural height increase — supporting bulk OEM orders for brands and retailers.

S-King toe separators are made from medical-grade, skin-friendly materials for safe correction of bunions, hammer toes, and more — supporting bulk OEM supply for clinics and brands.

The human foot endures continuous impact and pressure every day. Without proper shock absorption, this can lead to discomfort and long-term damage. This guide, provided by S-King, outlines the importance of shock-absorbing insoles and the benefits they bring to daily life and athletic performance.

​S-King Arch Insoles: A Complete Guide from Arch Health to Scientific Selection​​
The arch is the foot’s natural shock absorber—it supports body weight, distributes pressure during walking/standing, and cushions impacts during movement. However, congenital factors, acquired habits (e.g., prolonged standing, wearing ill-fitting shoes), or aging can lead to arch abnormalities, causing a range of discomforts.

The importance of choosing shoes and socks for diabetics. It is important to choose the right insoles, shoes and socks. Unsuitable shoes and socks are more likely to cause damage to the feet of diabetic patients, leading to ulcer formation and amputation.

Many people have a long-standing belief that flat feet are abnormal and require treatment with special shoes, insoles or even splints or braces.

Like shoes, insoles have a lifespan and wear down over time, but how quickly depends on 3 primary factors

Flat feet are commonly known as fallen or collapsed arches. It’s a relatively common condition that can affect up to 30 percent of the population, causing symptoms in 1 in 10 of these people. Usually, both feet are affected, but it’s possible to have a fallen arch on only one foot.