3mm Round Elastic No-Tie Shoelaces (Smart Lock)
Convert standard footwear into slip-ons with Coolnice 3mm Round Elastic No-Tie Shoelaces featuring a secure smart lock mechanism.
- Hassle-Free Slip-On: Converts standard lace-up shoes into comfortable, fully adjustable slip-ons in seconds.
- Custom Lock Color Selection: Tailor your look with a diverse choice of lock colors to complement or contrast with your shoes.
- Universal Adaptability: Suitable for runners, athletes, busy parents, children, and seniors seeking reliable everyday convenience.
- What's Included: Sold as a complete matching pair (2 laces) with your color choice of premium matching lock hardware included.
- NT-SMT-RS
Best Suited For
The Coolnice 3mm Round Elastic No-Tie Shoelaces with Smart Lock are engineered for everyday casual sneakers, running shoes, and athletic footwear. The 3mm slim round profile fits standard eyelets smoothly without bunching. By replacing traditional cotton or polyester laces with this elastic conversion system, standard lace-up shoes are converted into slip-ons, making them practical for daily wear, running, walking, and users requiring accessible footwear solutions.
Material Performance & Structure
- Durability & Stretch/Tension: Constructed from high-elasticity rubber core strands encased in a tightly woven polyester sheath. The material provides consistent tension and recoil, maintaining a secure fit across the top of the foot without losing elasticity over repeated stretching cycles.
- Wear Resistance: The tight outer weave resists friction against metal and plastic eyelets, preventing premature pilling, fraying, or core exposure during active use.
- Moisture Response: The synthetic hydrophobic fibers do not readily absorb water, sweat, or everyday dirt, allowing the laces to dry quickly and maintain their structural integrity in damp conditions.
Aglet or Component Configuration
Aglet Options: Finished with durable tips to prevent fraying. Metal aglets are available across all 27 colors, while plastic aglets are available on select colors. Choose your preferred tip finish from the options menu above. Each set includes secure-locking mechanical spring-loaded hardware designed to anchor the elastic tension firmly in place without slipping.
Care & Maintenance
To clean, wipe the laces and smart lock hardware with a damp cloth and mild detergent. If machine washing is necessary, place the footwear inside a mesh laundry bag and wash on a cold, gentle cycle. Always air-dry naturally; do not expose the elastic material or locking hardware to direct high heat, tumble dryers, or radiators.
| Shape | Round Laces |
|---|---|
| Width (in mm) | 3 mm |
| Length (in cm) | 145 cm |