ION's Neo Top 0.5 SS men has a more detailed and technical construction than standard rashguards, providing 100% UV protection, efficient heat retention, and a reduction in irritation and bruising, often caused by the harness or surfboard. The flexible outside lining makes you forget you're wearing a top because of its outstanding stretch characteristics. On the inside, Silk_Stuff increases next-to-skin comfort to the max. Fused edges round of this technical long sleeve making it sturdier and ready for countless sessions.