Package Dimensions: 25.07 x 22.45 x 3 cm; 300 Grams Date First Available: 24 May 2018 Manufacturer: Weimostar ASIN: B07D8S37W2 Department: Men"s ❤【Size Note】: Asian size maybe 1-2 size smaller than EU. Normally choose one much bigger size will be ok. Please view the size chart before ordering ❤【Flexible Sleeve】: Unrestrained, the arm can freely stretch ❤【Large grid fabric in side】: elastic, breathable, quick dry ❤【Pocket】: Three pockets in the back ❤【Reflective strips】: Riding safely at night