Birkenstock BirkoSport Two-Part Arch Support Insole
The BirkoSport™ Two-Part Insole adds both support and cushioning to your athletic footwear. This two-piece system includes a 3/4 length cork arch support (bottom piece) and a shock-absorbing, full length foam insole (top piece). Recommended for athletic shoes, ski boots, and work boots. Best used in place of existing insoles. Blue insole may be trimmed as needed. Unisex.
Support: Moderate with cushion
Length: 3/4-length cork arch support (bottom piece) plus full-length foam insole (top piece)
Material: cork/EVA (bottom) and BirkoCell foam (top)
Liner: cork arch support is unlined, use with foam insole
Width: medium (M)
Item #: 9210