B-Low the Belt Marc Belt in Black. Size L. Also in S, XS, M, XL. B-Low the Belt Marc Belt in Black. Size S, XS, M, XL. Genuine leather belt. Gold-tone buckle closure. Size S measures approx 33-37 L x 1.5 W. BLOW-WA422. BH857-000LE. Founded in 2002, B-Low the Belt grew out of a passion for trend and the feeling that belts had an ability to instantly elevate an outfit. With a focus on creating both foundational and fashion-forward pieces, B-Low the Belt has become synonymous with quality materials and thoughtful, on-trend details.