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Run light and stay cool in the Janji AFO Hyperlight Cap — an ultralight, breathable running hat designed for speed, sweat, and long sunny miles. This hyperlight running cap weighs just 29g, with fast-drying AFO stretch fabric and an adjustable bungee fit for all-day comfort.
✔ Featherlight Feel – Just 29g with breathable, moisture-wicking AFO stretch
✔ Quick-Dry Comfort – Sweat-wicking for cool, dry performance
✔ Crushable Brim – Foam brim flips up or packs down without losing shape
✔ Adjustable Fit – Reflective bungee cord with toggle for secure, custom sizing
✔ Streamlined Sun Protection – Low-profile silhouette with UPF-ready coverage
✔ Reflective Details – Logo and bungee enhance low-light visibility
✔ Eco-Friendly Build – Made with 88% recycled polyester
Whether you stash it, flip it, or run it flat out, the Janji AFO Hyperlight running cap delivers reliable, barely-there performance for road, trail, or travel.
FEATURES (from Janji)
Weightless feel
Hyperlight AFO stretch woven fabric for a barely-there-feeling hat
Cool + dry comfort
Fast dry time, high breathability + excellent sweat wicking for cool comfort
Low-profile sport fit
Streamlined design provides optimal protection with an aerodynamic fit
Crushable foam brim
Lightweight, pliable foam brim is built to be scrunched up + tossed around while retaining its shape when worn
Flip it up
The pliable foam brim can be securely flipped up when not needing to shield from the sun
Minimal bungee strap
Adjustable reflective bungee cord with a rubber toggle ensure a lightweight, adaptable fit
Stay seen
Janji signature reflective logo on back + reflective bungee cord adds visibility in low light
MATERIALS & SPEC
AFO: 88% recycled polyester, 12% elastane
Weight: 29g / 1oz
Made in Taiwan
Our AFO fabric is composed of 88% recycled polyester. We use high-grade recycled polyester made from 100% post-consumer recycled plastic like rPET (commonly found in single-use bottles and containers) to reduce the impact of our apparel without compromising on performance, durability or comfort.
AFO fabric is also bluesign® certified meaning it is free from harmful chemicals and is fabricated in a way that meets a high environmental standard.
Shipping: We offer FREE UK shipping on orders over £75.
Standard delivery is just £3.75 for all other orders. We process orders within 1–2 business days, with delivery typically taking 3–5 working days. Tracking provided.
Read our full Shipping Policy →
Returns: Enjoy 30-day easy returns on all orders.
Items must be unworn, unwashed, and returned in their original condition and packaging.