The Nova 4 Waterproof is built to handle wet trails, rocky climbs, and everyday walks with ease. With trail-run inspired comfort and all-weather protection, it’s your go-to for running, hiking, or just getting outside—rain or shine.
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Mens
Womens
Kids
Please note: Sizes listed on this website are all sized in US sizes. Conversions as per chart below.
Boots/Shoes
Sandals
Clothing
Pants/Bottoms
Socks
Mens Boots & Shoes
US
7
7.5
8
8.5
9
9.5
10
10.5
11
11.5
12
12.5
13
14
15
Euro
40
41
41.5
42
43
43.5
44
44.5
45
46
46.5
47
48
49
50
UK
6.5
7
7.5
8
8.5
9
9.5
10
10.5
11
11.5
12
12.5
13
14
CM
25
25.5
26
26.5
27
27.5
28
28.5
29
29.5
30
30.5
31
32
33
Mens Sandals
US
7
8
9
10
11
12
13
14
15
Euro
40
41
42
43
44
45
46
47
48
UK
6
7
8
9
10
11
12
13
14
CM
25
26
27
28
29
30
31
32
33
Mens Clothing
S
M
L
XL
XXL
cm
inches
cm
inches
cm
inches
cm
inches
cm
inches
Neck
37-38
14.5-15
39-40
15.5-16
42-43
16.5-17
45-46
17.5-18
46-47
18-18.5
Chest
91-96
36-38
99-104
39-41
107-112
42-44
114-119
45-47
122-130
48-51
Sleeve
84-85
33-33.5
86-88
34-34.5
89-90
35-35.5
91-92
36-36.5
94-95
37-37.5
Waist
71-74
28-29
76-81
30-32
86-91
34-36
96-102
38-40
104-107
41-42
Inside leg
79
31
81
32
84
33
86
34
86
34
Mens Bottoms
cm
inches
cm
inches
cm
inches
cm
inches
cm
inches
cm
inches
cm
inches
Waist
71
28
76
30
81
32
86
34
91
36
96
38
102
40
Inseam (Short)
76
30
76
30
76
30
76
30
76
30
76
30
n/a
n/a
Inseam (Regular)
81
32
81
32
81
32
81
32
81
32
81
32
81
32
Inseam (Long)
n/a
n/a
86
34
86
34
86
34
86
34
86
34
86
34
Mens Socks
Size
US
UK
EU
S/M fits shoe size
5 - 8.5
4 - 7.5
35 - 39
M/L fits shoe size
9.5 - 12
9 - 11.5
40 - 45
L/XL fits shoe size
12.5 - 15
11.5 - 14
46 - 50
Boots/Shoes
Sandals
Clothing
Pants/Bottoms/Skirts
Socks
Womens Boots & Shoes
US
5
5.5
6
6.5
7
7.5
8
8.5
9
9.5
10
10.5
11
11.5
Euro
35
35.5
36
37
37.5
38
38.5
39
40
40.5
41
42
42.5
43
UK
2.5
3
3.5
4
4.5
5
5.5
6
6.5
7
7.5
8
8.5
9
CM
22
22.5
23
23.5
24
24.5
25
25.5
26
26.5
27
27.5
28
28.5
Womens Sandals
US
5
6
7
8
9
10
11
Euro
36
37
38
39
40
41
42
UK
3
4
5
6
7
8
9
CM
22
23
24
25
26
27
28
Womens Clothing
S
M
L
XL
XXL
US
2
4-6
8-10
12-14
16
UK
6
8-10
12-14
16-18
20
cm
inches
cm
inches
cm
inches
cm
inches
cm
inches
Chest
81-84
32-33
86-89
34-35
91-94
36-37
96-102
38-40
104-109
41-43
Sleeve
74-75
29-29.
76-77
30-30.5
79-80
31-31.5
81-82
32-32.5
84-85
33-33.5
Waist
64-66
25-26
69-71
27-28
74-76
29-30
79-84
31-33
86-91
34-36
Hip
86-89
34-35
91-94
36-37
96-99
38-39
102-107
40-42
109-114
43-45
Inseam
79
31
81
32
81
32
81
32
84
33
Womens Pants, Bottoms & Skirts
US*
2
4
6
8
10
12
14
16
UK
6
8
10
12
14
16
18
20
cm
inches
cm
inches
cm
inches
cm
inches
cm
inches
cm
inches
cm
inches
cm
inches
Waist
66
26
69
27
71
28
74
29
76
30
81
32
84
33
91
36
Inseam
79
31
89
31.5
81
32
81
32
81
32
81
32
82
32.5
84
33
Womens Socks
Size
US
UK
EU
S/M fits shoe size
5 - 9.5
4 - 7.5
35 - 39
M/L fits shoe size
10 - 13
9 - 11.5
40 - 45
L/XL fits shoe size
11.5 - 14
46 - 50
Boots/Shoes
Kids Boots & Shoes
Big Kids (4 - 12 Years)
US
10
11
12
13
1
2
3
4
5
6
7
Euro
27
28
30
31
32
33
34
35
36
37
38
UK
9
10
11
12
13
1
2
3
4
5
6
CM
16.5
17.5
18.5
19
20
21
22
22.5
23.5
24.5
25.5
Little Kids (12 Months - 4 Years)
US
5
5.5
6
6.5
7
7.5
8
8.5
9
9.5
10
CM
12.4
12.9
13.3
13.7
14.1
14.6
15
15.4
15.8
16.3
16.7
Made For
Trail Running
Trail Type
Light
Designed for all-day performance in all conditions, the Nova 4 Waterproof blends athletic fit and trail-ready cushioning with durable weather protection. Its breathable waterproof membrane keeps feet dry without overheating, while FloatPro™ Foam adds long-lasting comfort underfoot. A grippy outsole provides traction on varied terrain, making this a versatile choice for trail running, light hiking, or neighborhood walks—whatever the forecast.
Trail Rating
Light
Moderate
Rugged
Made for trails with rare obstacles with light to no debris. Little directional change with hard surface terrain changes likely.
Waterproof
FloatPro™ Foam Midsole
Merrell Quantum Grip
Weight Per Pair
580g
Drop
8mm
Lug
4mm
Stack Height
29-21mm
Waterproof membrane seals out water and lets moisture escape
Cleansport NXT™ treated for natural odor control
50% recycled removable EVA foam footbed
FLEXconnect® dual-directional flex-grooves in the midsole for enhanced ground connection
FloatPro™ Foam midsole for lightweight comfort that lasts
Merrell Quantum Grip™ durable rubber outsole that enables confidence in the most extreme trail environments
Breathable engineered mesh and TPU upper
100% recycled laces and webbing
Bellows tongue keeps out debris
Padded collar
Elastic lace keeper
100% recycled breathable mesh lining
50% recycled mesh footbed cover
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Famous for its out-of-the-box comfort, durability and all-purpose versatility, the Moab family has enabled 25 million people to step further outdoors. Will you be next?