Modest Sleeve Length Estimator for Full Arm Coverage | PlusSizePlus Modest Sleeve Length Estimator for Full Arm Coverage Finding long sleeves that truly cover the arms is a common challenge for petite, average, and tall plus-size women. This guide provides a step-by-step estimator and practical advice to ensure every sleeve offers modesty, elegance, and comfort without restricting movement or style. Estimate Sleeve Length ADVERTISEMENT ...