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During a marathon race, founder Johnny Ku experienced a 42-kilometer sub-zero temperature course. This inspired him to spend a full year developing an excellent winter running shirt that could keep the body warm in biting cold winds and help achieve peak performance during the race.
During a marathon, founder Johnny Ku experienced a 42-kilometer race in freezing temperatures. This led him to spend an entire year developing a superb winter running shirt capable of keeping the body warm in biting winds and helping athletes perform at their best during competitions.


Designed for wet and cold climates, it uses Janerino® Merino tech wool fabric, which perfectly combines fine, soft Australian Merino wool with synthetic fibers through advanced textile craftsmanship. The improved Merino wool fabric boasts enhanced functionality, durability, and excellent comfort.

The ultra-lightweight Janerino® wool is the best training top for all seasons. In cold winters, it offers excellent quick-drying, sweat-wicking, and odor-inhibiting properties. Even if the garment gets soaked with sweat in winter, it retains warmth and prevents body heat loss. Tested over long distances, the entire garment does not become heavy from sweat, ensuring it won't affect race performance.

Military-grade tear-resistant, water-repellent fabric is used, with reinforced拼接 (splicing) at high-friction areas such as elbows and shoulders, providing an extra layer of protection, especially when carrying a backpack outdoors.
The dropped-shoulder oversized fit, asymmetrical front and back hemlines, and side fringe design are all intended to create a better and more stylish overall proportion when worn.
The ultra-light information tag is sewn on the outside to prevent friction with the body, and it can also be flipped and hidden if not desired to be exposed.

The exposed small pocket is sufficient for storing cash, credit cards, etc.

The classic hang tag can be reused as a coaster, and the packaging bag is also recyclable.


Main - 100% Janerino®
25% Merino + 75% Polyester
With - 100% Nylon
Taiwan Area
The FLIPPOS shipping service for Taiwan is using Kerry TJ Logistics. The Shipping cost cost is NT$100 in Taiwan area, free shipping for a single transaction over NT$1,500.
Hong Kong Macau Area
FLIPPOS shipping service for Hong Kong Macau area is using SF EXPRESS. The shipping cost is NT$250, free shipping for a single transaction over NT$3,000.
International Shipping In Asia
FLIPPOS shipping service for Asia (Asia, Southeast Asia, Atlantic) is using International Package of Taiwan Post Office. The shipping cost is NT$500, free shipping for a single transaction over NT$5,000.
International Shipping In Europe America
FLIPPOS shipping service for Europe United States (Europe, Middle East, America) is using International Package of Taiwan Post Office. The shipping cost is NT$700, free shipping for a single transaction over NT$6,000.
Note: International Custom Duties are not included in the shipping fee. International orders may be charged customs fees by the destination country's government and these are not included in FLIPPOS’s shipping fee.

| Size Chart | Chest Width | Overall Length | Sleeve Length |
| S | 52 | 70.5 | 65.5 |
| M | 54 | 72 | 66 |
| L | 56 | 73 | 66.5 |
| XL | 59 | 74.5 | 67.5 |
Taiwan Area
The FLIPPOS shipping service for Taiwan is using Kerry TJ Logistics. The Shipping cost cost is NT$100 in Taiwan area, free shipping for a single transaction over NT$1,500.
Hong Kong Macau Area
FLIPPOS shipping service for Hong Kong Macau area is using SF EXPRESS. The shipping cost is NT$250, free shipping for a single transaction over NT$3,000.
International Shipping In Asia
FLIPPOS shipping service for Asia (Asia, Southeast Asia, Atlantic) is using International Package of Taiwan Post Office. The shipping cost is NT$500, free shipping for a single transaction over NT$5,000.
International Shipping In Europe America
FLIPPOS shipping service for Europe United States (Europe, Middle East, America) is using International Package of Taiwan Post Office. The shipping cost is NT$700, free shipping for a single transaction over NT$6,000.
Note: International Custom Duties are not included in the shipping fee. International orders may be charged customs fees by the destination country's government and these are not included in FLIPPOS’s shipping fee.

