Spenco® 37-816 PolySorb® Heavy-Duty Replacement Insoles deliver cost-effective comfort and support for work boots, featuring lightweight PolySorb® polyurethane for heel-to-toe cushioning, maximum energy return, and Silpure antimicrobial to prevent blisters and odors.

Key Features:

• Heavy-Duty Support: Ideal for work boots, providing arch and heel support
• PolySorb® Polyurethane: Lightweight cushioning for all-day comfort
• Shock-Absorbing Cushioning: 0.5-inch thick heel and 0.25-inch forefoot for impact protection
• Maximum Energy Return: Enhances efficiency during long work hours
• Silpure Antimicrobial: 4-way stretch fabric prevents blisters and odor-causing bacteria
• Cost-Effective: Economical solution for durable foot support
• Multiple Sizes: Available for Women’s 5-12 and Men’s 6-15 (37-816-01 to 37-816-06)

Designed for workers on their feet, Spenco PolySorb Heavy-Duty Insoles ensure lasting comfort, support, and freshness in demanding environments.