Try the Australian Institute of Sport, Canberra, Australia. They did a lot of work a few years back and produced ice-vests for their athletes, used particularly as pre-race conditioning for 50km race walkers.
Cheers Gary Little New Zealand Gary Little & Asta Wistrand Enjoy a FOREST-HOMESTAY in the Far North of New Zealand, logon to www.foreststay.com Race walking, running, and walking fitness programs at www.profitness.net.nz AN INTERNATIONAL WAY TO WIN -- VIA THE INTERNET, IN ANY COUNTRY The Race Walking NZ website is at www.racewalkingnewzealand.org Get SKYPE and call me free or 'phone (NZ 8:30am to 5:pm) 64 9 9849421 ext 925
