Very comfortable. If your suit fits right it won't Move around. It is very flexible and vented for air circulation. It will hold a little extra heat but that's a small trade off. As for protection I don't know I haven't crashed with it but it looks like it will help.
Write your review and you'll automatically be entered in our monthly drawing. Include an image or video to DOUBLE your chances to win!Write Your Review
There have been no questions asked about the Alpinestars Nucleon KR-CiR Chest Insert.