Whistle by Wild Rhino Shoes is a casual mens sneakers, handmade in Portugal. Set on a triple layer off-white rubber outsole, Whistle has extra grip & support. Whistle is made from premium First Grade Portuguese leather with a contrasting padded collar and contrast side panel. The sneaker has a zip for easy wear and a padded tongue and footbed for extra comfort & support. - Premium First Grade Full Grain Leather- Sturdy rubber outsole for extra grip- Padded collar and footbed for extra comfort and support- Zip for easy wear Upper: Premium First Grade LeatherLining: Premium TextileSole: TPRCountry of Manufacture: Portugal