http://www.hirschstraps.com/collections/hirsch-straps -- high quality sporty designs
http://www.abpparis.com/ -- swarms of materials and colors, along with personalization options
http://www.strappedfortime.com/shop/...band-strap/23/ -- plenty of typical stuff at sensible prices
http://www.combat-straps.com/ -- unusual materials and styles
All the best.