A light, fast and breathable running essential that keeps weight to a minimum while still offering reliable ventilation and an adjustable, secure fit. The flexible visor and ultra‑packable construction make it easy to stash and carry on any run. features & facts Ultra-light cap: 32g Lateral laser perforations for targeted ventilation. Internal mesh panels to wick away sweat and keep you dry. One size fits all: adjustable thanks to the elastic cord with cord-stopper for a perfect fit. Flexible visor: the cap folds and stores easily without losing its shape. enviromental impact Each Circle product is designed to deliver a high level of performance while minimizing its impact on our playgrounds. For this product, we have chosen a regenerated polyamide, rigorously sourced and processed in Europe. Circle Fairly Made traceability score is 5/5. Circle obtained B Corp certification in March 2024 with a score of 96.1. material 100% recycled polyamide (plastic waste) Fabric from Poland care instructions Hand wash in lukewarm water with mild soap. Air dry. Do not tumble dry Do not iron or iron at low temperature (110°C) Dry cleanable Do not bleach