The Black Diamond Guide Finger glove takes their warmest, pro-level glove and gives an added amount of heat retention while leaving dexterity to the user. Get the comfort of a mitt and the ability to function like a pro. 100% waterproof and breathable GORE-TEX insert with Plus Warm Technology stays with removable liner Abrasion-resistant, woven nylon shell with 4-way stretch Removable liner features 170 g PrimaLoft Gold and boiled wool 300 g Polartec fleece palm lining Goat-leather palm and palm patch Foam padding on knuckles for impact protection Temperature range: 10 F WARNING: This product can expose you to chemicals includingBisphenol A (BPA) and Nickel, which are known to the State ofCalifornia to cause cancer and birth defects or other reproductiveharm. For more information go to www.P65Warnings.ca.gov.