The Endurance Handbook teaches athletes how to stay healthy

Midsole: ConnectMax 2mm EVA layer between outsole and insole with sock liner top surface for wear without the insole

This evolution"s updated upper construction and customizable lacing system provides a more secure fit so you can take on the trails with confidence

and everyday activity

Designed for all-day comfort

Islander Flip-Flops - Blue Palms blue The Endurance Handbook teaches athletesDeveloped with a passion for outdoor life now and for the future, Gumbies Islander Flip Flops provide the freedom of minimalistic footwear while ultimately protecting the sole. Go further, in the Islander. DURABLE OUTER SOLE our Gumtread recycled rubber outsoles are flexible, durable and provide a tire like grip for whatever terrain you might encounter. Biodegradable jute fibers reinforce and preserve the integrity of the rubber, so the adventure