- Buck Mason - Women’s Mainstay Cotton Shirt in Black - Relaxed button-down shirt in 3.7 oz. cotton plainweave. - Size Small (Women’s 4-6). TTS for a relaxed fit. - Chest: 23 1/2” - Length: 29 1/2” - Sleeve length: 23 1/2” NWT. Relaxed button-down shirt in 3.7 oz. cotton plainweave. 29.5" length hits just below the hip. Details include a back yoke with box pleat, a single spade pocket, and pleated cuffs. Inspired by mid-century men's shirting, this piece can be worn on its own or layered over a tee. Garment washed with softener for a lived-in feel.