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Grip socks lock your foot to the insole so it stops sliding inside your shoe. Compare grip zones, 20–30 mmHg compression and fibre composition side by side.
| SZOKZ | Ordinary sport socks | |
|---|---|---|
| Fibre composition published | 65% nylon, 15% polyester, 20% spandex | Rarely stated |
| Compression measured in mmHg | 20–30 mmHg | |
| Grip zones at ball and heel | ||
| Anatomical left / right fit | ||
| Hydrophobic fibres and ventilation channels | ||
| Targeted heel and forefoot cushioning | ||
| Reinforced heel and toe | ||
| Sport-specific ranges | ||
| 30-day money-back guarantee | Varies |
Worth it if your foot slides inside your shoe during your sport. The benefit is stability, not speed. Athletes in cutting sports and fixed-foot sports notice it in the first session; a runner on a straight road notices it least. At £5–£8 a pair it is a cheap thing to test on yourself.
In a normal sock your foot moves inside the sock and the sock moves inside the shoe. A grip sock removes the second movement by gripping the insole, so force transfers directly into the shoe. Most also add arch compression and reinforced heel and toe zones that ordinary socks do not have.
Cotton absorbs moisture and holds it against the skin, which is the second ingredient in a blister. It is comfortable for everyday wear and a poor choice under load. A high cotton percentage in a sock marketed as “performance” is a reliable warning sign. SZOKZ contain no cotton.
8–15 mmHg is light, 15–20 mmHg is moderate and covers most sportswear, and 20–30 mmHg is the firm band used for sustained load and recovery. SZOKZ Core Series is built at 20–30 mmHg. The more useful question is whether a brand publishes a number at all — most do not.
You are paying for construction, not branding: measured compression, grip zones, anatomical shaping, reinforced wear points and hydrophobic fibres. Whether that is worth it depends entirely on how hard you use them. For occasional wear it is not. For four sessions a week it is the cheapest piece of kit you will upgrade.