The waterproof Mercury Mitt provided ample warmth in harsh winter weather, while the removable liner allows for use during the warmer seasons. 100% waterproof BD.dry insert stays with removable liner Lightweight, abrasion-resistant, Pertex Shield shell with four-way stretch Removable liner is insulated with a combination of 340 g PrimaLoft Gold and high loft fleece Goat leather palm Kevlar stitching Removable liner has splint finger design 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. Black Diamond Glove Sizing