Schutt S3 Chest Protector The S3 features a permeable wide weave mesh over hundreds of highly perforated protective foam panels to maximize ventilation - without sacrificing protection or performance. The wide weave mesh helps keep you cool, dry, and ready Reversible and adjustable shoulder caps attach inside the chest protector for no irritation to the body, while maintaining the same fit The S3 universal design accomodates both male and female athletes for use in baseball and softball This unique harness system hugs your back and shoulders; it doesn't billow up. Instead, it conforms to the shape of your shoulders for maximum protection and coverage.