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Free shipping on every order!
We can ship to virtually any address in the world. Note that there are restrictions on some products, and some products cannot be shipped to international destinations.
When you place an order, we will estimate shipping and delivery dates for you based on the availability of your items and the shipping options you choose. Depending on the shipping provider you choose, shipping date estimates may appear on the shipping quotes page.
Please also note that the shipping rates for many items we sell are weight-based. The weight of any such item can be found on its detail page. To reflect the policies of the shipping companies we use, all weights will be rounded up to the next full pound.
You may return most new, unopened items within 30 days of delivery for a full refund. We'll also pay the return shipping costs if the return is a result of our error (you received an incorrect or defective item, etc.).
You should expect to receive your refund within four weeks of giving your package to the return shipper, however, in many cases you will receive a refund more quickly. This time period includes the transit time for us to receive your return from the shipper (5 to 10 business days), the time it takes us to process your return once we receive it (3 to 5 business days), and the time it takes your bank to process our refund request (5 to 10 business days).
If you need to return an item, simply login to your account, view the order using the "Complete Orders" link under the My Account menu and click the Return Item(s) button. We'll notify you via e-mail of your refund once we've received and processed the returned item.
The MTL Skyfire 2 is the lightest and fastest elite trail running shoe Merrell has ever made, coming in at 7oz. Featuring our FlexPlate to support agility, speed, and provide underfoot protection, this is a first-of-its-kind shoe in the trail running market. The plate sits between two layers of FloatPro Foam™, our most responsive midsole foam for underfoot comfort while the engineered mesh and TPU upper breathes to keep your feet cool. Underfoot, we crafted a custom Vibram® MegaGrip® outsole that minimizes weight while maximizing traction. The MTL Skyfire 2 was built for our elite athletes to blaze up mountain trails. Now it’s your turn.
These shoes are built from the Merrell Test Lab, our elite product advancement incubator. All MTL shoes are rigorously tested and validated by Merrell athletes and meet our highest bar for elite performance capabilities.
FEATURES
• Breathable engineered mesh and TPU upper
• 100% recycled laces
• Elastic lace keeper
• Microfiber lining
• 100% recycled mesh footbed cover
• Cleansport NXT™ treated for natural odor control
• EVA foam footbed
• Lightweight FlexPlate™ technology provides torsional rigidity with forefoot stability.
• Two part, dual density FloatPro™ Foam midsole
• Vibram® MegaGrip® high performance rubber outsole features unparalled grip on both dry and wet surfaces
• Stack Height: 25-19mm
• Drop: 6mm
• Lug: 5mm
• Vegan-Friendly
• Half pair weight: 0lbs-6.88oz, 195g
You may return most new, unopened items within 30 days of delivery for a full refund. We'll also pay the return shipping costs if the return is a result of our error (you received an incorrect or defective item, etc.).
You should expect to receive your refund within four weeks of giving your package to the return shipper, however, in many cases you will receive a refund more quickly. This time period includes the transit time for us to receive your return from the shipper (5 to 10 business days), the time it takes us to process your return once we receive it (3 to 5 business days), and the time it takes your bank to process our refund request (5 to 10 business days).
If you need to return an item, simply login to your account, view the order using the "Complete Orders" link under the My Account menu and click the Return Item(s) button. We'll notify you via e-mail of your refund once we've received and processed the returned item.
We can ship to virtually any address in the world. Note that there are restrictions on some products, and some products cannot be shipped to international destinations.
When you place an order, we will estimate shipping and delivery dates for you based on the availability of your items and the shipping options you choose. Depending on the shipping provider you choose, shipping date estimates may appear on the shipping quotes page.
Please also note that the shipping rates for many items we sell are weight-based. The weight of any such item can be found on its detail page. To reflect the policies of the shipping companies we use, all weights will be rounded up to the next full pound.
| US Women's Size |
UK | EU | JPN (cm) | US Men's Conversion |
|---|---|---|---|---|
| 5 | 2.5 | 35 | 22 | 3.5 |
| 5.5 | 3 | 35.5 | 22.5 | 4 |
| 6 | 3.5 | 36 | 23 | 4.5 |
| 6.5 | 4 | 37 | 23.5 | 5 |
| 7 | 4.5 | 37.5 | 24 | 5.5 |
| 7.5 | 5 | 38 | 24.5 | 6 |
| 8 | 5.5 | 38.5 | 25 | 6.5 |
| 8.5 | 6 | 39 | 25.5 | 7 |
| 9 | 6.5 | 40 | 26 | 7.5 |
| 9.5 | 7 | 40.5 | 26.5 | 8 |
| 10 | 7.5 | 41 | 27 | 8.5 |
| 10.5 | 8 | 42 | 27.5 | 9 |
| 11 | 8.5 | 42.5 | 28 | 9.5 |
| 11.5 | 9 | 43 | 28.5 | 10 |
| US Women's Size |
UK | EU | JPN (cm) |
|---|---|---|---|
| 5 | 3 | 36 | 22 |
| 6 | 4 | 37 | 23 |
| 7 | 5 | 38 | 24 |
| 8 | 6 | 39 | 25 |
| 9 | 7 | 40 | 26 |
| 10 | 8 | 41 | 27 |
| 11 | 9 | 42 | 28 |
| US Women's Size | US Women's Numeric Size | UK Women's Numeric Size | Chest/Bust (in) | Chest/Bust (cm) | Sleeve (in) | Sleeve (cm) | Waist (in) | Waist (cm) | Hip (in) | Hip (cm) | Inseam (in) | Inseam (cm) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| XXS | 0 | - | 31-31.5 in | 78.5-80 cm | 28-28.5 in | 71-72 cm | 24-24.5 in | 61-62 cm | 33-33.5 in | 84-85 cm | 31 in | 79 cm |
| XS | 2 | 6 | 32-33 in | 81-84 cm | 29-29.5 in | 74-75 cm | 25-26 in | 64-66 cm | 34-35 in | 86-89 cm | 31 in | 79 cm |
| S | 4-6 | 8-10 | 34-35 in | 86-89 cm | 30-30.5 in | 76-77 cm | 27-28 in | 69-71 cm | 36-37 in | 91-94 cm | 32 in | 81 cm |
| M | 8-10 | 12-14 | 36-37 in | 91-94 cm | 31-31.5 in | 79-80 cm | 29-30 in | 74-76 cm | 38-39 in | 96-99 cm | 32 in | 81 cm |
| L | 12-14 | 16-18 | 38-40 in | 96-102 cm | 32-32.5 in | 81-82 cm | 31-33 in | 79-84 cm | 40-42 in | 102-107 cm | 32 in | 81 cm |
| XL | 16 | 20 | 41-43 in | 104-109 cm | 33-33.5 in | 84-85 cm | 37-39 in | 94-99 cm | 43-45 in | 109-114 cm | 33 in | 84 cm |
| XXL | 18 | - | 44-46 in | 112-117 cm | 34-34.5 in | 86-88 cm | 37-39 in | 94-99 cm | 43-45 in | 109-114 cm | 34 in | 86 cm |
| US Women's Size/Numeric | US Women's Size/Alpha | UK Women's Size | Waist (in) | Waist (cm) | Inseam (in) | Inseam (cm) |
|---|---|---|---|---|---|---|
| 2 | XS | 6 | 26 in | 66 cm | 31 in | 79 cm |
| 4 | XS | 8 | 27 in | 69 cm | 31.5 in | 80 cm |
| 6 | S | 10 | 28 in | 71 cm | 32 in | 81 cm |
| 8 | S | 12 | 29 in | 74 cm | 32 in | 81 cm |
| 10 | M | 14 | 30 in | 76 cm | 32 in | 81 cm |
| 12 | M | 16 | 32 in | 81 cm | 32 in | 81 cm |
| 14 | L | 18 | 34 in | 84 cm | 32.5 in | 82 cm |
| 16 | XL | 20 | 36 in | 91 cm | 33 in | 84 cm |
| 18 | XXL | - | 38 in | 96 cm | 33 in | 84 cm |
| Sizes | Bust (IN) | Bust (CM) | Waist (IN) | Waist (CM) | Hips (IN) | Hips (CM) |
|---|---|---|---|---|---|---|
| XXS | 30 | 77 | 23 | 59 | 34 | 86 |
| XS | 32 | 82 | 25 | 64 | 36 | 91 |
| S | 34 | 87 | 27 | 69 | 38 | 96 |
| M | 36 | 92 | 29 | 74 | 40 | 96 |
| L | 38 | 97 | 31 | 79 | 42 | 106 |
| XL | 40 | 102 | 33 | 84 | 44 | 111 |
| XXL | 43 | 109 | 36 | 91 | 46.5 | 118 |
| Adult Sock Size | US Men's Shoe Size |
US Women's Shoe Size |
UK | EU |
|---|---|---|---|---|
| S/M | 5-8.5 | 5-9.5 | 4-7.5 | 35-39 |
| M/L | 9-12 | 10-13 | 9-11.5 | 40-45 |
| L/XL | 12.5-15 | - | 11.5-14 | 46-50 |
| US Size | Inches | Centimeters |
|---|---|---|
| S/M | 22 - 22 7⁄8 in | 56-58 cm |
| One Size | 22 7⁄8 in | 58 cm |
| L/XL | 22 7⁄8 - 23 5⁄8 in | 58-60 cm |
| US Men's Size |
UK | EU | JPN (cm) | US Women's Conversion |
|---|---|---|---|---|
| 7 | 6.5 | 40 | 25 | 8.5 |
| 7.5 | 7 | 41 | 25.5 | 9 |
| 8 | 7.5 | 41.5 | 26 | 9.5 |
| 8.5 | 8 | 42 | 26.5 | 10 |
| 9 | 8.5 | 43 | 27 | 10.5 |
| 9.5 | 9 | 43.5 | 27.5 | 11 |
| 10 | 9.5 | 44 | 28 | 11.5 |
| 10.5 | 10 | 44.5 | 28.5 | 12 |
| 11 | 10.5 | 45 | 29 | 12.5 |
| 11.5 | 11 | 46 | 29.5 | 13 |
| 12 | 11.5 | 46.5 | 30 | 13.5 |
| 12.5 | 12 | 47 | 30.5 | 14 |
| 13 | 12.5 | 48 | 31 | 14.5 |
| 14 | 13 | 49 | 32 | 15.5 |
| 15 | 14 | 50 | 33 | 16.5 |
| 16 | 15 | 51 | 34 | 17.5 |
| US Men's Size |
UK | EU | JPN (cm) |
|---|---|---|---|
| 7 | 6 | 40 | 25 |
| 8 | 7 | 41 | 26 |
| 9 | 8 | 42 | 27 |
| 10 | 9 | 43 | 28 |
| 11 | 10 | 44 | 29 |
| 12 | 11 | 45 | 30 |
| 13 | 12 | 46 | 31 |
| 14 | 13 | 47 | 32 |
| 15 | 14 | 48 | 33 |
| 16 | 15 | 49 | 34 |
| US Men's Size | Neck (in) | Neck (cm) | Chest (in) | Chest (cm) | Sleeve (in) | Sleeve (cm) | Waist (in) | Waist (cm) | Inseam (in) | Inseam (cm) |
|---|---|---|---|---|---|---|---|---|---|---|
| S | 14.5-15 in | 37-38 cm | 36-38 in | 91-96 cm | 33-33.5 in | 84-85 cm | 28-29 in | 71-74 cm | 31 in | 79 cm |
| M | 15.5-16 in | 39-40 cm | 39-41 in | 99-104 cm | 34-34.5 in | 86-88 cm | 30-32 in | 76-81 cm | 32 in | 81 cm |
| L | 16.5-17 in | 42-43 cm | 42-44 in | 107-112 cm | 35-35.5 in | 89-90 cm | 34-36 in | 86-91 cm | 33 in | 84 cm |
| XL | 17.5-18 in | 45-46 cm | 45-47 in | 114-119 cm | 36-36.5 in | 91-92 cm | 38-40 in | 96-102 cm | 34 in | 86 cm |
| XXL | 18-18.5 in | 46-47cm | 48-51 in | 122-130 cm | 37-37.5 in | 94-95 cm | 41-42 in | 104-107 cm | 34 in | 86 cm |
| US Men's Size/Numeric | US Men's Size/Alpha | Waist (in) | Waist (cm) | Short Inseam (in) | Short Inseam (cm) | Regular Inseam (in) | Regular Inseam (cm) | Long Inseam (in) | Long Inseam (cm) |
|---|---|---|---|---|---|---|---|---|---|
| 28 | XS | 28 in | 71 cm | 30 in | 76 cm | 32 in | 81 cm | - | - |
| 30 | S | 30 in | 76 cm | 30 in | 76 cm | 32 in | 81 cm | 34 in | 86 cm |
| 32 | M | 32 in | 81 cm | 30 in | 76 cm | 32 in | 81 cm | 34 in | 86 cm |
| 34 | M | 34 in | 86 cm | 30 in | 76 cm | 32 in | 81 cm | 34 in | 86 cm |
| 36 | L | 36 in | 91 cm | 30 in | 76 cm | 32 in | 81 cm | 34 in | 86 cm |
| 38 | L | 38 in | 96 cm | 30 in | 76 cm | 32 in | 81 cm | 34 in | 86 cm |
| 40 | XL | 40 in | 102 cm | - | - | 32 in | 81 cm | 34 in | 86 cm |
| 42 | XXL | 42 in | 107 cm | - | - | 32 in | 81 cm | 34 in | 86 cm |
| 44 | XXL | 44 in | 112 cm | - | - | 32 in | 81 cm | 34 in | 86 cm |
| US Men's Size | Inches | Centimeters |
|---|---|---|
| Men's S/M | 22 - 22 7⁄8 in | 56-58 cm |
| Men's One Size | 22 7⁄8 in | 58 cm |
| Men's L/XL | 22 7⁄8 - 23 5⁄8 in | 58-60 cm |
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