1. Super-stretch, Super-light, Super Soft neoprene 2. Super-stretch lining with good resistance to Velcro Hook 3. Glued & Blind stitching and liquid seal seams All critical external seams are glued, blind-stitched and liquid taped for warmth, durability and flexibility. All interior stress points are then spot taped for added strength 4. Front Zip Entryway 5. Ultra-stretch side neck panels 6. Pre-bent arms, knees 7. Ergonomic cutting