BELT SIZING
SIZE — WAIST (INCHES)
S — 31.5 - 34.5
M — 34.5 - 38.5
L — 38.5 - 42.5
XL — 42.5 - 46.5
Styrkmundr Lifting Belt 
Built for serious lifters who demand performance, stability, and durability, the Sterkur Self-Locking Weightlifting Belt delivers uncompromising support for heavy training sessions.
Crafted from 100% premium nylon, this belt provides a rigid, consistent feel with zero flex where you need stability most. The 4-inch uniform profile ensures even pressure distribution across your core, helping you brace harder and lift stronger during squats, deadlifts, cleans, and overhead movements.
The full metal self-locking buckle system offers unmatched security under load. It locks firmly into place and won’t slip or fail during critical lifts, giving you total confidence when the weight gets heavy. The quick-release mechanism allows for fast adjustments between movements without removing the belt, making it ideal for CrossFit, functional fitness, and high-intensity strength training.
Engineered for athletes who refuse compromise, this belt combines durability, comfort, and competition-level support in one streamlined design.
Features:
Full metal self-locking buckle
Quick-release adjustment system
100% premium rigid nylon construction
4-inch uniform profile for consistent core stability
Built for strength training, CrossFit, and heavy compound lifts
Train locked in. Lift with confidence.