Navy Stripe Structured Shorts River Island Series 10 Low Rise Shorts Navy Navy Stripe Structured Shorts River Island Navy Stripe Structured Shorts River Island Womens Navy Shorts at M&S Womens Navy Shorts at M&S. Experience ultimate comfort and style with our Series 10 Low Rise Shorts! The soft fleecy material and elasticated waistband provide the perfect fit, while the two side pockets add convenience. Pair them with our Series 10 singlet top and headband for a complete ensemble! FABRICATION: 60% Cotton 40% Polyester SIZING: Crystal's height is 162cm 5'3 and wears a size XS.