Women's Siren 4 Thermo Mid Zip Waterproof Winter Hiking Boots / Merrell
Women's Siren 4 Thermo Mid Zip Waterproof Winter Hiking Boots / Merrell
Women's Siren 4 Thermo Mid Zip Waterproof Winter Hiking Boots / Merrell
Women's Siren 4 Thermo Mid Zip Waterproof Winter Hiking Boots / Merrell
Women's Siren 4 Thermo Mid Zip Waterproof Winter Hiking Boots / Merrell
Women's Siren 4 Thermo Mid Zip Waterproof Winter Hiking Boots / Merrell
Diorite,5
Black,5
Tobacco,5
Women's Siren 4 Thermo Mid Zip Waterproof Winter Hiking Boots / Merrell
Women's Siren 4 Thermo Mid Zip Waterproof Winter Hiking Boots / Merrell
Women's Siren 4 Thermo Mid Zip Waterproof Winter Hiking Boots / Merrell
Women's Siren 4 Thermo Mid Zip Waterproof Winter Hiking Boots / Merrell
Women's Siren 4 Thermo Mid Zip Waterproof Winter Hiking Boots / Merrell
Women's Siren 4 Thermo Mid Zip Waterproof Winter Hiking Boots / Merrell
Diorite,5
Black,5
Tobacco,5

Women's Siren 4 Thermo Mid Zip Waterproof Winter Hiking Boots / Merrell

$41.59 $99.00
Color - Diorite
Size
Size Guide
✕

Women's Size Guide

Shoes

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

Sandals

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

Clothing

US Women'sSize US Women'sNumeric Size UK Women'sNumeric 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

Bottoms

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

Sweaty Betty Generic

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

Unisex Socks

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

Hats

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

Men's Size Guide

Shoes

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

Sandals

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

Clothing

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

Bottoms

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

Hats

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

Kids' Size Guide

US Kids' Size Kids' Size Name UK EU Centimeters
0 Baby/Preschool 0 15.5 8
0.5 Baby/Preschool 0 16 8.5
1 Baby/Preschool 0.5 16.5 9
1.5 Baby/Preschool 0.5 17 9.5
2 Baby/Preschool 1 17.5 10
2.5 Baby/Preschool 1.5 18 10.5
3 Baby/Preschool 2 18.5 11
3.5 Baby/Preschool 2.5 19 11.5
4 Baby/Preschool 3 19.5 12
4.5 Baby/Preschool 3.5 20 12.5
5 Baby/Preschool 4 21 13
5.5 Baby/Preschool 4.5 21.5 13.5
6 Baby/Preschool 5 22 14
6.5 Baby/Preschool 5.5 22.5 14
7 Baby/Preschool 6 24 14.5
7.5 Baby/Preschool 6.5 24.5 14.5
8 Baby/Preschool 7 25 15
8.5 Toddler 7.5 26.5 14.5
9 Toddler 8 27 15
9.5 Toddler 8.5 27.5 15.5
10 Toddler 9 28 16
10.5 Toddler 9.5 28.5 16.5
11 Toddler 10 29 17
11.5 Toddler 10.5 29.5 17.5
12 Toddler 11 30 18
12.5 Kids 11.5 30.5 18.5
13 Kids 12 31 19
13.5 Kids 12.5 31.5 19.5
1 Kids 13 32 20
1.5 Kids 13.5 32.5 20.5
2 Kids 1 33 21
2.5 Kids 1.5 33.5 21.5
3 Kids 2 34 22
3.5 Kids 2.5 34.5 22.5
4 Kids 3 35 23
4.5 Kids 3.5 35.5 23.5
5 Kids 4 36 24
5.5 Kids 4.5 36.5 24.5
6 Kids 5 37 25
6.5 Kids 5.5 37.5 25.5
7 Kids 6 38 25.5

Made For: Winter hikes

Built for women who refuse to wait for perfect weather. These waterproof hiking boots are engineered with a female-focused fit and Vibram® Icetrek traction that conquers the coldest terrain. Premium leather construction meets cozy knit details—because technical performance doesn't mean sacrificing style.

Best for: Winter Hike
Insulation:
200 grams Primaloft® Gold Eco Series synthetic insulation. Solarcore® Aerogel insole provides underfoot superior warmth while being extremely flexible and ultra-thin.
Waterproofing: Waterproof full grain leather upper, complete with a waterproof membrane seals out water and lets moisture escape.
Traction: Vibram® Icetrek outsole designed to provide the improved grip on very cold, icy, or snowy surfaces. Vibram traction lugs specifically designed to increase traction and shed debris with each step

Comfort Features:
• Heavy-duty, Waterproof, YKK zipper for easy on and off
• Bellows tongue keeps out debris
• Protective and abrasion resistant rubber toe cap
• Cleansport NXT™ treated for natural odor control
• FloatPro™ Foam midsole for lightweight comfort that lasts

Materials:
• Waterproof full grain leather and knit upper
• 100% recycled laces and webbing
• 100% recycled fleece lining
• 100% recycled mesh footbed cover
• 5% recycled PU removable footbed

Additional Measurements:
• Stack Height: 28.5-20.5mm
• Drop: 8mm
• Lug: 5mm
• Shaft height (top of midsole to top of boot): 5.91in, 150mm
• Half pair weight: 1lbs-3.04oz, 540g