Don't be fooled, the Kailas Sport Man jacket has a soft sweatshirt finish but the additional FILTERTEC Windshell membrane make it highly windproof. The cozy internal fabric provides warms and comfort on a daily wearing basis. Two zippered hands pockets Pit zip for additional venting Elastic cuff and waist External material: 100% cottonInternal material: FILTERTEC 100% polyester* Sizing: these jackets run small. Compare to most North American brands, we recommend to size up once for a tight fit or warm conditions. Size up twice for relax fit or cold condition which allow you to put extra layer under it. KAILAS Sizing Chart-Men's (cm) Tops & Jackets & Vest (cm) Men's Shoulder Chest 165 S 39-43 88-95 170 M 40.5-44.5 93-100 175 L 42-46 98-105 180 XL 43.5-47.5 103-110 185 XXL 45-49 108-115 190 XXXL 46.5-50.5 113-120