FPA Thermal Air Layer Straight-Leg Sweatpants for Spring and Autumn
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Stay warm and comfortable with these men's thermal sweatpants, designed for cooler spring and autumn days. Crafted from a self-heating air layer fabric, these pants help regulate body temperature between 6-8°C. The deep charcoal color is accented by modern white piping in diagonal and vertical lines, adding a stylish touch to a relaxed, straight-leg silhouette. An elastic waistband ensures a secure and flexible fit, while subtle branding near the ankle completes the look. Ideal for casual wear, light sports, or lounging in comfort and style.
Fits true to size, take your normal size.
We offer a 14-day return and refund policy. Your item must be unworn and in the same condition to be returned. See full policy here.
Shipping
For orders over $200 USD, we offer free global shipping for all orders, via FedEx / DHL / UPS. Otherwise, shipping costs $25.
- We use FedEx, DHL, or UPS’s Priority service for deliveries to the Rest of World.
- We prepay all customs duties and taxes.
- Depending on the courier, you may or may not need to sign for your order upon delivery.
- We ship all orders from our US warehouse.
Total delivery time
Total delivery time is 5-10 business days.
See full shipping policy here.




























