2003-5-6 2003-2-20 Hydration pack, body-cooling packs, running pads and additional weight attachments. Exclusively designed for weightvest.com weighted vests. Patent pending. 14250 text/html 1.0 EN hydration pack hydration system hydration packs hydration systems weight vest weighted vests weighted vest weight vests training vest training vests firefighter training aids Weight Vest Accessories text