The WeatherBeeta Calf Coats offers a tough 600 denier ripstop, waterproof and breathable outer, 220g of polyfill with nylon lining. Features fleece at the wither, adjustable ski clip front closure with touch tape, 2 adjustable belly closures with ski clips and fully adjustable leg straps with ski clips. The WeatherBeeta Calf Coats offers a tough 600 denier ripstop, waterproof and breathable outer, 220g of polyfill with nylon lining. Features fleece at the wither, adjustable ski clip front closure with touch tape, 2 adjustable belly closures with ski clips and fully adjustable leg straps with ski clips. Small: Spine - 29.5? Drop -15.8 ?. Med: Spine - 33.5? Drop - 17.7". Large: Spine - 37.4? Drop - 19.6?