Secure nonslip fit and adjustable waist option Multisize waist compatibility with a detachable adjustable waist strap for a secure, comfortable fit during water activities Enhances buoyancy support while you move Optimized swim stability Supports fatigue relief and cramp care integration Combines a secure buoyancy structure with visibility tones to improve swimmer confidence and visibility Reliable aquatic design Kayakingswimming compatibility built in Waterproof compartment structure with sealed compartments to securely store items with precision Wearresistant material Punctureproof strength and water immersion resilience Durable, longlasting construction with flexible, tearresistant fabric that preserves its shape Use scenarios Pool lap training and technique work: use the buoyancy aid to maintain body position and reduce fatigue during long sets Openwater or kayakingswimming practice: benefit from compatibility with kayaking activities and visibility for safety Travel or multisport workouts: waterproof compartments keep small items secure while you train or explore Key attributes Function: buoyancy support, stability, and item security Compatibility: multisize waist fit and kayakingswimming use Size: multisize waist compatibility Material: wearresistant, punctureproof, tearresistant fabric Performance: durable, secure, and visibility for safety and confidence