String n°19 True Black + Hastko

String n°19 True Black

Invisible, seamless thong - Women's - String n°19 - Hastko - 2026

CHF 39.90

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String n°19 True Black
CHF 39.90
univers marques
Product not subject to returns
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Description

Discover the sports thong from String n°19 True Black the French brand Hastko, designed by women for women, offering the perfect blend of technical innovation and feminine elegance.

Its 100% seamless design, combined with welded edges and a velvet-soft 3D print, creates an incredible ‘second-skin’ feel. This cutting-edge technology eliminates any irritation and ensures complete discretion under your clothes, allowing you to move with complete freedom.

The subtle interplay of sheer fabrics adds a touch of refined femininity without compromising on modesty. Made from a breathable, quick-drying material, it effectively wicks away moisture, keeping you dry and comfortable, even during the most intense workouts.

This thong epitomises excellence and ingenuity, giving you a feeling of well-being that lasts all day long, whatever sport you’re doing.

String n°19 True Black
Discover related categories
Technical details
Warmth
1/5
Size
Normal
Overview
Brand
HastkoHastko-logo
Warranty
2
Year
2026
Season
Autumn
Gender
Women
Product details
Weight (g)
25
Technical details
Base layer bottom shape
Briefs & Boxers
Other features

- Second-skin effect
- Seamless, welded edges and 3D printing with a velvet feel
- Invisible
- Transparency exercises
- Breathable, quick-drying material
- Machine wash at 30°C, in a mesh bag if possible
- Do not tumble dry or use bleaching agents
- Model developed at Chamonix Mont-Blanc

Composition :

- Technical Topic 1: 79% Polyamide, 21% Élasthanne
- Technical subject 2: 72% Polyamide, 28% Spandex
- Cotton gusset: 98% Cotton, 2% Spandex

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