Mono B Category Activewear Retailer, Eco-Friendly, Plus Size Activewear, Women Owned Description Mono B is a women's activewear line that offers sustainable and size-inclusive activewear and athleisure wear for women. Read our Mono B activewear review here. Discounts Use code SCHIMIGGY to save 15% off all your orders at Mono B. Shop Mono B Website Mono B