H&M Black And White Patterned Blouse - Size Xtra Small This stunning H&M patterned long sleeve blouse is available in US size XTRA SMALL. The low stand up collar features a keyhole opening at back of neck with covered buttons. Blouse gathers at the shoulders and features covered buttons at cuffs. Crafted from high-quality polyester material, this blouse promises to offer comfort and style at the same time. #hm #blouse