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Sylvia Boyleg

Colour: Evergreen
Size Guide
Size

The Sylvia Boyleg is a super soft brief with comfortable low-leg cut that won't ride up when you're raising your pulse. Designed for multiple activities from on snow to the trail.

Merino Air-Con is ultra-lite and ultra breathable for year round use.

Fit: Slim
Features:
  • Durable, breathable and regulates body temperature
  • No side seams for added comfort
  • Mons slim-line waistband.
Fabric: Merino Air-Con
Weight: 140gsm
Blend: 83% Merino Wool 13% Nylon 4% Elastane

Reviews

Customer Reviews
4.7 Based on 31 Reviews
5 ★
81% 
25
4 ★
16% 
5
3 ★
0% 
0
2 ★
0% 
0
1 ★
3% 
1
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Filter Reviews:
    IH
    04/15/2024
    Irene H.
    United States United States

    Always loved sylvia's

    This is the 3rd generation of Sylvia boyleg underwear that I've owned. They're my favorites. I love the cut. No wedgies. The butt crack coverage is good. The previous generation, that I have 3 pairs of, all get threadbare and then holes in the front right above the doubled-over fabric section. It's definitely a spot that should be reinforced in some way. It makes me really sad because everything else is still in perfect condition and I wish that wasn't a repeat issue. It's usually around year 2 of wearing them. I wear the size small with the sylvia, which fits well, although I've recently drifted towards size s/m for a lot of clothes (5'4" 128lb).

    A
    04/08/2024
    Anonymous
    New Zealand New Zealand

    Best Boyleg ever

    These are amazing, highly reccomend - Love them now need a pair for each day of the week.

    N
    03/25/2024
    Narendra SVG verified by SHOP
    United States United States

    Very comfortable!

    EB
    03/17/2024
    Erin B.
    Canada Canada

    Checkers

    Accidently ordered a xs and turns out they are perfect live the comfort for all season mnt bike riding ! Great fit and stay where they need to ..while out on the trails.

    AM
    03/14/2024
    Amy M.
    United States United States

    You’ve changed the cut

    I have 2 pair of this style that I love and wear all the time. So I ordered 4 more, same size. How disappointed I was to see that the cut and fit has changed. It’s now less of a boy short and more of a bikini cut in bum and about 2 INCHES smaller in the waist and the wool is much thinner than previously. I ended up passing them on to my 15 year old girl (she’s normally a S or XS, these are M). Super bummed Mons Royal went the fast fashion direction and cheaped out on fabric quantity and quality thus sacrificing fit. I would’ve bought 10 more pair had they been the same as my originals.