As with all OSi covers

OSi Sur Last Covers are designed to be both water resistant and breathable. Utilizing Sur Last, a 100% solution-dyed polyester, these covers wont fade, bleed or bleach out. An urethane coating makes the material water and mildew resistant, yet vapor permeable. The bottom portion is sturdy, heat resistant, 100% cotton, Army Duck dyed indo-carbon black designed to withstand the heat of the exhaust pipes.

Sur Last Features

• Water Resistant & Breathable
• Covers won't fade, bleed or bleach out
• Mildew resistant
• Bottom portion is sturdy and heat-resistant
• Hand washable
• Brass eyelets for cable locks
• Drawstring carry bag included