The 505 is an entry level 3 layer SFI 3.2A/5 racing suit. The 505 comes standard with epaulets, matching Nomex cufffs, arm and leg stripes and a large chest billboard with contrasting piping. The All seams are Safety Stitched to help limit seam failure. The interior of the 505 suit is lined with the a CoolQuilt liner that will help keep you cool and dry. Pyrovatex outer layer of this suit is durable and abrasion resistant.