evo.com | Outdoor Research Midlayer Vests > Cool mornings on the trail call for a layer that does one job well. The Outdoor Research Deming Fleece Vest wraps you in a bluesign approved wool and polyester fleece that breathes, regulates temperature, and stays soft against skin, with recycled polyester trim reinforcing the high-wear spots. Regular Fit Shell bluesign(R) approved 92% Polyester / 8% Wool Woven Trim 100% Recycled Polyester Breathable, Quick Drying, Wicking Forward Shoulder Seams | Women's Outdoor Research Deming Fleece Vest 2027 - 2X-Large Purple | Wool/Polyester