Mountain Hardwear Men's Heavyweight Power Stretch Gloves Polyester, Elastane Snug-fitting, heavyweight Polartec Power Stretch keeps hands warm while maintaining dexterityPalm: Technostretch 93% polyester, 7% elastane Screen print on palm keeps phone secure while holding Flat-lock construction for a seamless fit Wear alone or use as a liner Polartec Power Stretch, 88% polyester, 12% elastane