Brooks Cascadia Thermal Vest Men's Running Apparel Indigo/Tide : When the temperature drops, the Brooks Cascadia Thermal Vest is here to warm you up! Enjoy the warmth of full-trunk insulation that allows your arms a full range of motion. Semi-fitted style. Lightweight 80g polyfill insulation. Breathable wind- and rain-resistant material. Brooks Logo at upper back. Reflective details for low-light conditions. Zippered side pockets and zippered security pocket at left chest.