Fresh Start Period Kit
A mix of our 3 styles (Brief, Bikini, and Shorty) to last your entire cycle.
- - Absorbs absorbs up to 4 tampons’ worth (6 tsp/34mL)
- - Made from organic cotton
- - Specially designed to fit tweens & teens
- - Tag free!
What's My Size?
Thinx (BTWN) are true to classic sizing for girls’ underwear and clothing.
IN
CM
9-10
11-12
13-14
15-16
Natural Waist
23¾-24½60-62
24¾-25¼63-64
26-26½65.5-67
28-29¼71-74
Lower Waist
27-2868.5-71
29¼-30½74-77
31¾-3380-83
34½-3687-91
Hip
29-30¼73.5-77
31½-3380-84
34½-3688-92
37½-3996-100
How do Thinx (BTWN) work?
How do Thinx (BTWN) work?
Made with period-proof technology to prevent leaks and stains
Thinx (BTWN) can replace or back-up other period products.