Pearl Izumi W Elite Thermal Arm WarmerLayering UpThe Pearl Izumi W Elite Thermal Arm Warmer combines exceptional warmth and the comfort of thermal fleece fabric with anatomic shaping. The Elite Thermal Fleece panels provide superior warmth, stretch, and recovery for maximum comfort. They feature a Plush Wide elastic binding with a silicone gripper to stay in place and stop from slipping off. FeaturesElite Thermal Fleece panels provide superior warmth, stretch, and recoveryAnatomic left and right arm-specific fitPlush Wide elastic binding with silicone gripper for a stay-up fitReflective elements for low-light visibilitySize (Inches/CM)Extra SmallSmallMediumLargeExtra LargeArm Length(shoulder to wrist with 90-degree bend in the arm)23. 559246124. 56225. 25642666Bicep(circumference)1230. 512. 532133313. 53414. 2536Wrist(circumference)6. 75177187. 2518. 57. 5197. 7519. 5 | Pearl Izumi | W Elite Thermal Arm Warmer Women's | Size Large in Black