- MTA TR-12.1 Knee Length
- Fabric: 7.0 oz/sq yd. Twill; 75% Polyester / 25% Wool
- Color: Navy
- 2 Pockets: 2 side seam slash pockets
- Buttons Ligne 20: plastic
- Zipper: nylon coil, non-conductive, size 7
- Full lining
- Kick vent
- Safety stitch seams
- Waistband: back elastic insert, which shall stretch a minimum of 1 ½ inches
- Sizing: shall be numeric. No alpha sizes.