Size chart

FOOT MEASURE (mm) UK US MEN US WMN EUR
205
1
2
3 1/2
32
210
1 1/2
2 1/2
4
33
215
2
3
4 1/2
34 1/4
219
2 1/2
3 1/2
5
35
223
3
4
5 1/2
35 1/2
228
3 1/2
4 1/2
6
36 1/4
232
4
5
6 1/2
37
236
4 1/2
5 1/2
7
37 1/2
241
5
6
7 1/2
38
245
5 1/2
6 1/2
8
38 3/4
249
6
7
8 1/2
39 1/2
253
6 1/2
7 1/2
9
40
258
7
8
9 1/2
40 3/4
262
7 1/2
8 1/2
10
41 1/2
266
8
9
10 1/2
41 1/2
270
8 1/2
9 1/2
11
42 1/2
274
9
10
43 1/4
278
9 1/2
10 1/2
44
283
10
11
44 1/2
287
10 1/2
11 1/2
45 1/4
291
11
12
46
296
11 1/2
12 1/2
46 1/2
300
12
13
47
304
12 1/2
13 1/2
47 3/4
308
13
14
48 1/2
312
13 1/2
14 1/2
49
316
14
15
49 1/2
321
14 1/2
15 1/2
50 1/4
325
15
16
51
trail running

VIPER WMNS

SKU 31616 Category

0.00

Size chart

Size chart

FOOT MEASURE (mm) UK US MEN US WMN EUR
205
1
2
3 1/2
32
210
1 1/2
2 1/2
4
33
215
2
3
4 1/2
34 1/4
219
2 1/2
3 1/2
5
35
223
3
4
5 1/2
35 1/2
228
3 1/2
4 1/2
6
36 1/4
232
4
5
6 1/2
37
236
4 1/2
5 1/2
7
37 1/2
241
5
6
7 1/2
38
245
5 1/2
6 1/2
8
38 3/4
249
6
7
8 1/2
39 1/2
253
6 1/2
7 1/2
9
40
258
7
8
9 1/2
40 3/4
262
7 1/2
8 1/2
10
41 1/2
266
8
9
10 1/2
41 1/2
270
8 1/2
9 1/2
11
42 1/2
274
9
10
43 1/4
278
9 1/2
10 1/2
44
283
10
11
44 1/2
287
10 1/2
11 1/2
45 1/4
291
11
12
46
296
11 1/2
12 1/2
46 1/2
300
12
13
47
304
12 1/2
13 1/2
47 3/4
308
13
14
48 1/2
312
13 1/2
14 1/2
49
316
14
15
49 1/2
321
14 1/2
15 1/2
50 1/4
325
15
16
51
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Description

Boreal Viper is high performance trail-running shoe that is ideally suited to mixed underfoot conditions. Well cushioned, supportive and grippy, Viper has the features to take you further and faster.

Uppers

Abrasion resistant mesh with injected PU and microfibre. Integrated tongue in the upper. TPU at the heel for lateral stability

Lining

PU Air Net for ventilation and comfort

Midsole

Shock absorbing EVA layer for improved comfort

Sole

Vibram Ttrail. Rubber sole with integrated toecap and dual density EVA rand for optimum comfort. TPU piece for support and stability. Megagrip compound for superior grip. Boreal’s patented ITR construction system to provide excellent durability prevent delamination at the toe.

Usage

Perfect for trail running,orienteering, light approach or street use

Technologies

Weight

615 gr. pair. Size 4 U.K.

Action images

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