10% polyester

Transform your shoulder health and performance with our comprehensive 6-band resistance system

✅ 360° Isometric Training: Enhance blood flow to every muscle in your neck

including shoulder pain and neck pain

With the addition of Quercetin and Resveratrol

Built Not Born LS BJJ Rash Guard - White Iron Neck 10% polyesterDesigned for grapplers who demand more from their gear, the Iron Neck BJJ Rashguard delivers unmatched comfort, durability, and performance. Whether you're drilling takedowns, flowing through technique, or going hard in live rolls, this long sleeve rashguard protects your skin from mat burns and grips while keeping your movement fluid and unrestricted. Details: 82% polyester 18% spandex blend Lightweight, breathable, and sweat wicking Four way stretch