Introducing our newest SwiftLockTM technology - magnetic closure, tension lock, packaged in our most durable buckle yet. Closes and opens easily with one hand, and never releases when it&';s not supposed to. This is your new do-everything, go-everywhere belt. Aero Mag Features: SwiftLock(TM) Magnetic Buckle - Embedded magnets guide the buckle together for quick, easy closure and one-handed opening, while an internal tension-lock system keeps it securely fastened through any adventure. Performance Stretch Pro - Upgraded stretch webbing moves with your body while holding firm, with added abrasion resistance for extra durability. Custom Fit - More precise than holes, micro-adjustable buckle dials in your exact fit. Recycled Materials - Webbing is made with 85% post-consumer recycled REPREVEA(R) polyester. Maximum Durability - Our strongest buckle yet: tough enough for anything, still incredibly lightweight. Travel Friendly - Metal-free materials make airport security a breeze. Belt Keeper - Elastic loop keeps excess belt tucked in place. Length Standard - One size fits most, up to 40" (101.6cm). For waist sizes over 36", we recommend checking out the Long belt, which fits up to 50". Width Standard Belt Width - 1.5" (3.81cm)