The Boston Barbell Self-Locking Belt is built for serious training, combining strength, comfort, and reliability in one streamlined design. Constructed from high-quality nylon and finished with a sleek metal roller buckle, this belt delivers consistent core support with a premium look and feel.

The self-locking roller buckle features a black, titanium-coated finish and a quick-lock mechanism, allowing for fast, secure adjustments and effortless on/off use between sets. Designed for more than just everyday gym sessions, this belt is trusted by powerlifters, strongmen, weightlifters, and functional training athletes who demand dependable back support and stability under load.

Size Chart

• Small (S):
  27" – 32" (68 – 82 cm)

• Medium (M):
  32" – 35" (81 – 89 cm)

• Large (L):
  35" – 39" (89 – 99 cm)

• Extra Large (XL):
  39" – 42" (99 – 107 cm)