Santic 37.5 Yian Windproof Gilet Using NASA-inspired 37.5® technology, it regulates body temperature and evaporates sweat fast, keeping you comfortable in changing weather. The fabric is 32% warmer than fleece yet remains breathable, with antibacterial properties to stay fresh on long rides. A YKK double zipper makes it easy to adjust airflow, while multiple pockets give space for ride essentials. Reflective details ensure safety in low light. Perfect for beginners who want lightweight protection and pro-level comfort on every ride.

●Using NASA-inspired moisture and temperature control technology, the fabric activates a heat response when exposed to humidity, keeping the rider warm yet dry.
● Smart infrared regulation: Maintains stable body temperature, outperforming standard fleece by 32% more warmth
● With antibacterial and odor-control properties, the vest reduces bacterial growth and prevents odor buildup, ensuring long-lasting freshness on long rides.
● Featuring 37.5® active particle technology, it uses body heat to evaporate moisture, maintaining the body’s optimal comfort zone.
● A YKK double zipper ensures smooth, durable function and allows easy ventilation adjustment while riding.
● For practicality, the vest includes dual front side pockets and a large rear zip pocket, providing convenient storage for essentials.
● Safety is prioritized with high-brightness reflective logos, making the rider clearly visible during night cycling.

● 92% nylon, 8% spandex

Note:

Black Friday clearance products are non-refundable and may only be returned for store credit.

Shipping & Delivery

We ship and deliver worldwide. Below are our shipping options and estimated delivery timelines.

Free & Standard Shipping

• Free standard shipping on orders over $110.
• Orders processed and shipped within 1–2 business days (Monday–Friday, excluding public holidays).
• Delivered via international courier to countries such as the United States, Canada, and Australia.

Estimated timing

• Arrive at local customs: 1–3 business days
  
• Local carrier delivery: 3–4 business days
  
• 
  Total estimated delivery time: 5–9 business days
  

For more details, see our shipping policy:
Shipping Policy.

Express Shipping

• Orders processed and shipped within 1–2 business days (Monday–Friday, excluding public holidays).
• Handled by international express couriers to destinations such as the United States, Canada, and Australia.

Estimated timing

• Arrive at local customs: 1–2 business days
  
• Local delivery: 1–2 business days
  
• 
  Total estimated delivery time: 4–5 business days
  

For more details, see our shipping policy:
Shipping Policy.

Returns

We accept returns on products within 40 days of receipt. If you're not 100% satisfied, please review our refund policy for full details.

View our refund policy:
Refund Policy.