https://community.usms.org/swimming/f/general/13322/lava-suit-neoprene-jammerI just purchased a TYR lava suit...primarily for longer distance open water swimming (maybe I should ask this question the the open water forum). Just wondering if people wear only the suit, or if some sort of liner is necessary. Danen-USTelligent Community 12https://community.usms.org/thread/206749?ContentTypeID=1Wed, 17 Jul 2019 07:41:04 GMT3187ac58-ba85-4314-b79a-c45cd885e09a:46aa44df-3db1-4bc8-ba1e-027f31abe505flystormsNah, unless you’re doing a Tri and plan to strip out of it, just do the single layer. Adding anything under increases your chance for chafing<div style="clear:both;"></div>