Keen Utility Men's K-20 Insole with Extra Cushion for Neutral Arches Accessories Size:S underfoot venting for maximum airflow

underfoot venting for maximum airflow and Airthotic® heel clip for support

Not recommended for Suede or NuBuck leather

4 way stretch fabric with silpure antimicrobial helps prevent blisters while controlling odor

FEEL GOOD: Gel metatarsal pad

Keen Utility Men's K-20 Insole with Extra Cushion for Neutral Arches Accessories Size:S underfoot venting for maximum airflowKeen Utility Men's K 20 Insole with Extra Cushion for Neutral Arches Accessories Medium arch support, shock absorbing pads and a full length layer of high rebound foam help fight foot fatigue for long days on your feet. KEEN Utility believes in creating work boots that make work and life better. 100% Synthetic Imported Synthetic sole Cushioning & Fit: A premium, thick, full length shock absorbing material evenly cushions the entire foot without