Leatt Jacket MTB Wind Block 1. 0Packable, Lightweight Wind Protection The Leatt Wind Block 1. 0 Jacket is your essential layer for unpredictable weather. This ultra-light, slim-fitting shell packs down into its own chest pocket with an on-bike storage strap for easy stowage mid-ride, so you can stash it and forget about it until you need it. The wind-resistant, 4-way stretch fabric is treated with a PFAS-free dirt- and water-resistant finish to help shed light rain and trail spray, and it's made with Bluesign-approved materials for more responsible performance. A stealth under helmet hood and reinforced elbows add coverage and durability when the conditions turn. Whether you're dropping into a breezy descent or caught in a sudden squall, the Wind Block 1. 0 is built to shelter you from the chill. Features Ultra lightweight shelter jacket with durable 4-way stretch YKK zippered chest pocket that the jacket can also pack into Under helmet stretch hood and reflective print on the lower back Sizing Size Extra Small Small Medium Large Extra Large XX-Large XXX-Large Arm Length (cm)74 - 76cm76 - 78cm78 - 80cm80 - 82cm82 - 84cm84 - 86cm86 - 88cm Arm Length (in)30 - 30. 5"30. 5 - 31"31 - 31. 5"31. 5 - 32"32 - 33"33 - 34"34 - 35"Chest Circumference (cm)91 - 96cm96 - 102cm102 - 106cm106 - 112cm112 - 116cm116 - 122cm122 - 127cm Chest Circumference (in)36 - 38"38 - 40"40 - 42"42 - 44"44 - 46"46 - 48"48 - 50" | Leatt | Jacket Mtb Windblock 1. 0 Men's | Size Medium In Black