MUCK
MAXFIT Ultra Comfort Insole
Style #MMXFTU
Typically ships within 1-3 business days
Free US Shipping & Returns On $99+ Orders
1-year limited warranty Learn More
Introducing MAXFIT™ Ultra, the highest level of the Muck Active Xtreme comfort system, designed to deliver maximum comfort and stability in every step. This premium trim-to-fit comfort insole combines a memory foam top layer with responsive AMP PU cushioning and a TPU heel chassis for exceptional support and all-day performance. A perforated comfort footbed enhances breathability and helps reduce moisture, while the customizable toe area can be trimmed to fit different sizes and lasts.
- 2X Large fits U.S. Men's sizes 13 - 14½
- Airflow channels provide cool circulation
- Antimicrobial mesh covering to prevent odor-causing bacteria
- Large fits U.S. Men's sizes 9 - 10½
- Medium fits U.S. Men's sizes 6 - 8½
- Memory foam adjusts for customized cushioning for the entire foot
- Orthotic chassis provides arch support and heel stability
- Polyurethane layer for maximum cushioning
- X Large fits U.S. Men's sizes 11 - 12½
- Free Shipping $99+: Enjoy free ground shipping on all orders $99 and up within the contiguous U.S
- Flat Rate $11 Shipping: Orders under $99 ship anywhere in the contiguous U.S. for $11.
- Free 30-Day Returns: Not the perfect fit? Send back unworn items within 30 days—on us.* Return Policy
*Final sale items excluded from returns.