The perfect packable vest for year-round protection against wind & occasional light showers is system engineered with SHIMANO’s dynamic layering philosophy to layer perfectly with S-PHYRE Jerseys.3D anatomic construction a windproof & waterrepellent front & a ventilated mesh back panel deliver versatile protection from wind & light moisture while rapidly venting excess heat. It packs easily into a rear pocket so you’ll always have an extra layer of reliable wind & water protection for every cool or windy ride. Front-facing lightweight windproof & water-repellent materials protect rider from cool winds road spray & light showers. Combination of stretchable mesh & lightweight fabric on the back improves ventilation fit & packability. Flat elastic band rear hem with S-PHYRE design silicone grippers keeps jersey in place & prevents sagging. Rear slits provide easy one-handed access to jerseys back pockets while riding. Body-hugging fit & flat reversed zipper ensure a sleek appearance & aerodynamic efficiency. Modified rear reflective elements improve low-light visibility & packability. MATERIAL Main body (front): 100% Polyamide; Upper back: 75% Polyamide 25% Elastane; Lower back: 87% Polyester 13% Elastane