I have used this chest protector along with Leatt's GPX Race Neck Brace for a few months now and really like both pieces of gear! The chest protector has some fine tuning adjustments that dial in the fit, and works perfectly with the neck brace, which I wear inside of the neck brace. I am able to wear a cold weather top and jersey under the chest protector, and with some adjustment, a hydration pack. The fit, quality and durability are awesome. Both pieces of gear provide a level of safety I never had with a roost guard I had been relying upon. Leatt has really engineered some quality safey gear!