I was just reading some user review over at the mtbr forum, general consensus favorable and they were the least expensive

http://forums.mtbr.com/fat-bikes/nic...on-739410.html

also Cabelas has them, a little more expensive

http://www.cabelas.com/rider-accesso...-mitts-1.shtml

also if you happen to have a walmart near you, try checking out the ATV section, last year they had the same ones as the Cabelas for around $14.00 but this year I haven't seen them