Built by an instructor, for instructors
Maria has 10+ years in fitness across personal training, kickboxing, and now Pilates and Lagree instructing. Every grip placement decision came from the carriage, not a catalog.
Meet Maria →Alo is a yoga-led activewear and lifestyle brand with a broad range. Alo describes its Pulse Grip Sock as having “bottom grips” with terry-cushioned toes and heels and compression ribbing at the arch. BOLD is a smaller brand designed by a Pilates and Lagree instructor, with grip inside and out.
| Feature | BOLD Dual Grip™ | Alo Yoga |
|---|---|---|
| Inside + outside grip | Silicone inside the footbed and outside the sole | Alo describes the Pulse sock as having “bottom grips”; the Strappy Siren lists “no-slip silicone grips” |
| Built by | Designed by Maria, a Pilates and Lagree instructor | A yoga-led activewear and lifestyle brand |
| Design focus | Built for Pilates, Lagree and studio training | Yoga-led; also worn for Pilates and barre |
| Materials | 85% cotton · 15% spandex | Terry cotton, nylon and lycra blend |
| Sizing | One size, women's US 5-10 | Two sizes (S/M and M/L) |
| Range | Three colorways, plus multi-packs | Several styles and colorways |
| Returns | 30-day returns on unworn pairs | See their current returns policy |
| Price | $25 per pair | See current pricing on their site |
Comparison data verified . Competitor specs subject to change.
Silicone outside for the carriage, silicone inside for your foot. Three colorways, one size (women's US 5-10), free US shipping over $70.

Maria has 10+ years in fitness across personal training, kickboxing, and now Pilates and Lagree instructing. Every grip placement decision came from the carriage, not a catalog.
Meet Maria →Silicone on the outside for the carriage and inside the footbed for your foot — one focused design, refined in real Pilates and Lagree classes.
Why Dual Grip™ →30-day returns on unworn pairs. If the grip doesn't hold for you, you get your money back.
Guarantee details →Alo describes its Pulse sock as having “bottom grips” with terry cushioning at the toe and heel, in a yoga-led lifestyle design. BOLD puts silicone inside the footbed as well as on the sole, and is designed specifically around Pilates and Lagree.
Yes, plenty of people wear them for Pilates and barre. They are cushioned and well made. The difference with BOLD is the inside grip and the Pilates and Lagree focus.
Alo’s Pulse sock has terry-cushioned toes and heels. BOLD uses a thinner combed-cotton knit designed to keep the foot close to the surface.
Yes. BOLD was developed by a Pilates and Lagree instructor and worn in reformer and Lagree classes through its development.
Unworn pairs can be returned within 30 days of delivery.