With orders of $25 or more, Amazon offers the Triple Eight Compass Bicycle Helmet with prices starting from $4.50, as listed below. Plus, Prime members receive free shipping. (Non-members can spend $49 to qualify for free shipping.) The available size/color combinations:

• Small/Medium Helmet in Black Matte for $4.50 (low by $75)
• Large/XL Helmet in Black Matte for $5 (low by $75)
• Large/XL Helmet in Gun Matte for $5.50 (low by $74)
• Large/XL Helmet in Orange Glossy for $6.08 (low by $74)
• Small/Medium Helmet in Orange Glossy for $6.88 (pictured, low by $73)