Endure more with the Cardio Hijab. This extra light two-piece hijab fits securely thanks to its structured design. This hijab’s sweat-wicking, SPF 30+, quick-drying, antimicrobial, cooling material keeps you dry and comfortable through your hottest days, and your toughest workouts. It comes with a matching sports inner, and features a built-in elastic strap to keep it securely fastened on your head when you don’t want to wear an inner. Note: The color of the product may slightly differ than the photographic image. Features: Sweat-wicking fabric SPF 30+ Quick-drying Anti-microbial Secure-Fitting Elastic under the chin Structured Cuts to Give Volume Long Enough to be Tucked in Matching inner Moisture-absorbing Towel on the forehead of inner Earphone Gaps on the inner Open mesh back for air circulation at the inner back. Size-Adjusting Back Elastic & Stopper on the inner. Reversible hijab, you can wear it on both sides. Model face size is 54 cm and wears S/M. To find your size, measure your face circumference. If your size falls between 51-55cm choose size S/M, if your size falls between 55-59cm, choose size M/L. (Refer to size guide image)