Outdoor Research PS 100 Undergloves offer lightweight warmth in mild conditions or act as an insulating layer under a shell glove in colder conditions.Features: The Polartec Power Stretch material provides a close stretch fit for dexterity and the material also wicks moisture away from your skin. Four-sided, boxed finger construction eliminates excess fabric at the fingertips, increasing dexterity. A long cuff means it'll stay under your sleeve, minimizing drafts. Specifications: Fabric: Polyester.