The-Climate-jacket-completely-blocks-the-wind-&-traps-body-heat-in-even-during-the-most-inhospitable-conditions-POLARTEC-reg-Alpha-was-specially-made-to-retain-warmth-while-you-are-inactive-&-to-breathe-well-when-you-need-to-move-So-when-you-wear-the-Climate-jacket-on-the-bike-you-won-39-t-be-cold-&-when-you-stop-&-walk-around-town-you-39-ll-be-comfortable-too-The-jacket-is-extremely-lightweight-exceptionally-breathable-easy-to-compress-&-dries-very-quickly-Features-2-way-stretch-micro-fleece-Nylon-Taffeta-190T-Water-repellent-panels-highly-breathable-laminated-reflection-laminated-reflective-logo-Fit-tight