Alpinestars Thermal Tech Top
The Alpinestars Thermal Tech top is part of Alpinestars range of base layer underwear developed for layering purposes to provide core temperature regulation and comfort for all types of riding conditions. The Warm Tack base fabric used for the top is Nano treated to increase circulation of the capillaries to promote warmth. The fabric is also treated to wick away moisture and keep the body comfortable. The compression fit reduces muscle fatigue in the upper body increasing riding comfort
Features:
Have a functionality, fit, or otherwise product-specific question about the Alpinestars Thermal Tech Top? Ask it here! If you have a customer service or shipping question, please direct it to our Customer Service department.

| Euro | USA | Alpha | Chest (cm) | Waist (cm) | Hip (cm) | Arm (cm) | Height (cm) |
|---|---|---|---|---|---|---|---|
| 42 | 32 | 2XS | 82-86 | 68-72 | 83-87 | 51-52 | 159-163 |
| 44 | 34 | 2XS-XS | 86-90 | 72-76 | 87-91 | 53-54 | 164-167 |
| 46 | 36 | XS-SM | 90-94 | 76-80 | 91-95 | 55-56 | 168-171 |
| 48 | 38 | SM-MD | 94-98 | 80-84 | 95-99 | 57-58 | 172-175 |
| 50 | 40 | MD | 98-102 | 84-88 | 99-103 | 59-60 | 176-179 |
| 52 | 42 | LG | 102-106 | 88-92 | 103-107 | 61-62 | 180-183 |
| 54 | 44 | XL | 106-110 | 92-96 | 107-111 | 63-64 | 184-187 |
| 56 | 46 | XL-2XL | 110-114 | 96-100 | 111-115 | 65-66 | 188-191 |
| 58 | 48 | 2XL | 114-118 | 100-104 | 115-119 | 67-68 | 192-195 |
| 60 | 50 | 3XL | 118-122 | 104-108 | 119-123 | 67-68 | 192-195 |
| 62 | 52 | 3XL-4XL | 122-126 | 108-112 | 123-127 | 69-70 | 196-199 |
| 64 | 54 | 4XL | 126-130 | 112-116 | 127-131 | 69-70 | 196-199 |
Note: Alpinestars sizes displayed on our website are in Euro sizing, use the chart above to convert your standard US size to Euro.
Sizing information is provided by the manufacturer and does not guarantee a perfect fit.
Click here to see the full Alpinestars Size Chart| Product Style | RevZilla SKU ID | Manufacturer Product # | Availability |
|---|---|---|---|
| Black / SM | 439444 | 475349-10-S | In Stock: Ships within 24 hours |
| Black / MD | 439445 | 475349-10-M | In Stock: Ships within 24 hours |
| Black / LG | 439446 | 475349-10-L | In Stock: Ships within 24 hours |
| Black / XL | 439447 | 475349-10-XL | In Stock: Ships within 24 hours |
| Black / 2XL | 439448 | 475349-10-2XL | In Stock: Ships within 24 hours |
| Black / 3XL | 439449 | 475349-10-3XL | In Stock: Ships within 24 hours |