Simpson Signature Knit Nomex Jacket - SFI 20

The Simpson STD.48 Signature Knit Nomex jacket offers superior fire protection.  It meets and exceeds SFI 3.3/20 ratings.  It is made from a lightweight and comfortable fabric.  Each Simpson Signature Knit Nomex item has a subtle bit of stretch for increased freedom of movement.   Lightweight and comfortable Nomex Contrasting piping Full arm gussets Built-in arm restraints SFI 3.3/20 rating with SFI tags Specifications Brand Simpson Part Numbers 4802334 (Large); 4802434 (XL) Product Line Signature Knit Size Large and XL SFI Rating 3.2A/20 Layers 2 Layer Piping Yes Piping Location Shoulder Piping Color White Logo Yes Logo Style Simpson Logo Location Shoulder Material Nomex Color Black Quantity Each Size Chart Simpson Racing Adult Suit Size Chart Size Chest Waist Hip Inseam Neck Height Weight  S 30-34 26-30 33-37 31 14.5 5'5" to 5'7" 115-130 lbs M 34-38 30-34 37-41 32 15.5 5'7" to 5