The best grip socks for reformer Pilates have full-sole silicone traction, a secure heel and arch fit that won't rotate on the carriage, and grip that survives regular machine washing. Studio-required and studio-tested, KARVE performance grip socks (from £12) are designed by a reformer Pilates studio brand and worn daily on commercial reformers in London and New York — which is exactly the environment grip socks exist for.
What actually matters in a reformer grip sock
The reformer is a moving carriage under spring tension, so your feet interact with more surfaces than in mat work: carriage, footbar, straps, jumpboard and platform. Four things separate a serious grip sock from a novelty one:
1. Full-sole grip coverage
Sparse dots leave dead zones exactly where you load — the ball of the foot on the footbar, the heel on the carriage. Look for dense, edge-to-edge silicone tread. Every KARVE sock uses a full-coverage pattern for consistent traction in lunges, footwork and jumps.
2. Fit and sock security
A grip sock that slides inside itself is worse than bare feet. An arch compression band and structured heel pocket stop the sock rotating during side-lying work and standing splits, so the grip stays where your weight is.
3. Proprioception and stability
Thinner performance knits keep you close to the carriage so you can feel spring resistance and adjust balance. Thick cushioned soles dull that feedback. KARVE socks use a low-profile combed-cotton knit that preserves ground-feel while adding traction.
4. Durability and wash performance
Grip socks are washed constantly. Bonded silicone that peels or hardens after a month is the most common complaint in this category. Machine wash cold, air dry, no fabric softener — and buy socks whose grip is bonded for daily studio use.
Crew or ankle length?
Crew (long) socks add ankle support and warmth for slower, controlled classes; ankle (short) socks run cooler for jumpboard, hot studios and summer. Grip is identical across both KARVE lengths — crew from £16, short from £12.
How KARVE compares to other grip sock brands
Most well-known grip sock brands — ToeSox, Tavi, Pointe Studio — come from the yoga and barre world. KARVE's socks were developed the other way around: by a reformer Pilates studio operator, for reformer classes, and are the standard sock across KARVE's own studios in Kensington, Chelsea, Victoria and Long Island City. They're built to commercial-studio wash cycles, priced below most premium competitors, and designed specifically around carriage and footbar traction rather than general studio wear.
Do you need grip socks for reformer Pilates?
Yes — most reformer studios, including KARVE, require them. They're a hygiene standard and a safety item: on a moving carriage, traction is control. One pair covers reformer, mat Pilates, barre and yoga.