[Valeo Washable 16” Barbell Pad Cushion With Sturdy Foam Core To Fit Both Standard And Olympic Size Bars, VA4541BK https://www.amazon.com/dp/B0007W2EPK/ref=cm_sw_r_cp_api_fab_vpjHFbCN8EP8V](Then get something like this for the season of very cold bars on your chest, very annoying).
Use one of these http://www.amazon.com/Valeo-VA4541BK-Barbell-Pad-Black/dp/B0007W2EPK
Most gyms have them lying around
I picked up one of these for back squats and it made a huge difference for me.