Fleece-lined build
A fleece-lined interior provides the set’s midweight thermal construction.
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Ridge Reactor Men’s Fleece-Lined Baselayer Set
In the field
This midweight compression baselayer set uses a fleece-lined interior and a close fit for layering under winter clothing.
Compression fit
The close compression fit is intended to stay in place under an outer kit.
Winter use
Use the set for storm mornings, windy ridgelines, and chairlift conditions.
Construction
- Lining
- Fleece-lined interior
- Weight class
- Midweight
- Fit
- Compression fit
- Sleeve length
- Long sleeve
- Moisture management
- Moisture-wicking and quick-drying
Use
- Layering use
- Under an outer kit
- Recommended conditions
- Cold and windy winter conditions
Size chart notes
- Chart scope
- Reference top and bottom charts cover XS–4XL; purchasable sizes remain the current variant-selector options.
- Chart note 1
- Measurements reflect body measures, not garment dimensions. If between sizes, size up for a relaxed fit.
- Chart note 2
- *Sleeve measured from center back of neck to wrist. 1 inch = 2.54 cm.
- Chart note 3
- Measurements reflect body measures, not garment dimensions. Inseam shown is a regular length (32 in / 81 cm).
- Chart note 4
- Tall/short variations may be available on select styles.
- Chart note 5
- Inseam is measured crotch to ankle. For tall (34 in / 86 cm) or short (30 in / 76 cm) lengths, adjust accordingly. 1 inch = 2.54 cm.
Top and bottom size charts (XS–4XL)
- Size XS
- Top chest 32–34in/81–86cm, waist 26–28in/66–71cm, sleeve 31–32in/79–81cm; bottom waist 26–28in/66–71cm, hip 32–34in/81–86cm, inseam 32in/81cm
- Size S
- Top chest 35–37in/89–94cm, waist 29–31in/74–79cm, sleeve 32–33in/81–84cm; bottom waist 29–31in/74–79cm, hip 35–37in/89–94cm, inseam 32in/81cm
- Size M
- Top chest 38–40in/97–102cm, waist 32–34in/81–86cm, sleeve 33–34in/84–86cm; bottom waist 32–34in/81–86cm, hip 38–40in/97–102cm, inseam 32in/81cm
- Size L
- Top chest 41–43in/104–109cm, waist 35–37in/89–94cm, sleeve 34–35in/86–89cm; bottom waist 35–37in/89–94cm, hip 41–43in/104–109cm, inseam 32in/81cm
- Size XL
- Top chest 44–46in/112–117cm, waist 38–40in/97–102cm, sleeve 35–36in/89–91cm; bottom waist 38–40in/97–102cm, hip 44–46in/112–117cm, inseam 32in/81cm
- Size 2XL
- Top chest 47–49in/119–124cm, waist 41–43in/104–109cm, sleeve 36–37in/91–94cm; bottom waist 41–43in/104–109cm, hip 47–49in/119–124cm, inseam 32in/81cm
- Size 3XL
- Top chest 50–53in/127–135cm, waist 44–47in/112–119cm, sleeve 37–38in/94–97cm; bottom waist 44–47in/112–119cm, hip 50–53in/127–135cm, inseam 32in/81cm
- Size 4XL
- Top chest 54–57in/137–145cm, waist 48–51in/122–130cm, sleeve 38–39in/97–99cm; bottom waist 48–51in/122–130cm, hip 54–57in/137–145cm, inseam 32in/81cm
Cold air tries to bite. This set bites back harder. A midweight, fleece-lined compression kit that locks heat to your core, dumps sweat on command, and stays tight when the pace spikes.
Recommended Use
Storm mornings. Windy ridgelines. Chairlift freeze-ups between high-speed drops. Put it under your kit and stay in the flow state from first bell to last run.
Bottom Line
Strap in. Stay warm. Keep sending.
Men's Tops — Size Chart (XS–4XL)
Measurements reflect body measures, not garment dimensions. If between sizes, size up for a relaxed fit.
| Size | Chest (in) | Chest (cm) | Waist (in) | Waist (cm) | Sleeve* (in) | Sleeve* (cm) |
|---|---|---|---|---|---|---|
| XS | 32–34 | 81–86 | 26–28 | 66–71 | 31–32 | 79–81 |
| S | 35–37 | 89–94 | 29–31 | 74–79 | 32–33 | 81–84 |
| M | 38–40 | 97–102 | 32–34 | 81–86 | 33–34 | 84–86 |
| L | 41–43 | 104–109 | 35–37 | 89–94 | 34–35 | 86–89 |
| XL | 44–46 | 112–117 | 38–40 | 97–102 | 35–36 | 89–91 |
| 2XL | 47–49 | 119–124 | 41–43 | 104–109 | 36–37 | 91–94 |
| 3XL | 50–53 | 127–135 | 44–47 | 112–119 | 37–38 | 94–97 |
| 4XL | 54–57 | 137–145 | 48–51 | 122–130 | 38–39 | 97–99 |
*Sleeve measured from center back of neck to wrist. 1 inch = 2.54 cm.
Men's Bottoms — Standard Size Chart (XS–4XL)
Measurements reflect body measures, not garment dimensions. Inseam shown is a regular length (32 in / 81 cm). Tall/short variations may be available on select styles.
| Size | Waist (in) | Waist (cm) | Hip (in) | Hip (cm) | Inseam (in) | Inseam (cm) |
|---|---|---|---|---|---|---|
| XS | 26–28 | 66–71 | 32–34 | 81–86 | 32 | 81 |
| S | 29–31 | 74–79 | 35–37 | 89–94 | 32 | 81 |
| M | 32–34 | 81–86 | 38–40 | 97–102 | 32 | 81 |
| L | 35–37 | 89–94 | 41–43 | 104–109 | 32 | 81 |
| XL | 38–40 | 97–102 | 44–46 | 112–117 | 32 | 81 |
| 2XL | 41–43 | 104–109 | 47–49 | 119–124 | 32 | 81 |
| 3XL | 44–47 | 112–119 | 50–53 | 127–135 | 32 | 81 |
| 4XL | 48–51 | 122–130 | 54–57 | 137–145 | 32 | 81 |
Inseam is measured crotch to ankle. For tall (34 in / 86 cm) or short (30 in / 76 cm) lengths, adjust accordingly. 1 inch = 2.54 cm.
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FAQ
How can I reach Alpine Extreme if I have questions?
Email [email protected] or use our contact form.
Do you offer free shipping?
Free standard shipping is available to most addresses worldwide. Availability, delivery estimates, and any expedited charges depend on the destination and order. International duties, tariffs, and customs fees remain the customer’s responsibility. See our Shipping Policy for details.
What's the return policy at Alpine Extreme?
Eligible return or exchange requests must be submitted within 45 days of the order date. Items must be new and unused with original packaging, tags, and accessories. General change-of-mind returns are not accepted. Return-shipping responsibility depends on the reason for the return. See the full Return & Refund Policy for exclusions and refund timing.
How long will it take for my order to arrive?
Orders are typically processed within 2–5 business days. Most standard shipments arrive within 7–14 business days after shipping, depending on destination and carrier conditions. Delivery estimates are not guaranteed.
Can I track my order?
Yes. Tracking details are emailed after shipment. You can also check order status with your order information through our order-tracking page.
What if there's an issue with my order?
Email [email protected] or submit the form on our support page. Report delivery issues within 60 days of the order date so carrier information is still available.
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