ONYX MoveVent Curve Paddle Sports Life Vest Size: X-Large/2X-Large. Weight: 90 lbs. and over Chest Size: 44 - 56. MoveVent - A vest that conforms to your body like a glove, yet its innovative Soft, lightweight flotation foam. 200 denier nylon outer shell Provides excellent mobility for recreational paddle sports (canoe, kayak, SUP). Ventilation in front Mesh in lower back fits high back seats and sit-on-top kayaks Sculpted and flexible design conforms