Material:

Upper: Ultra-light viscose made from bamboo and recycled polyamide
Lining: Breathable microfiber
Outsole: TrueSense® GP1 outsole with a 5 mm base and 2.5 mm outsole

Anti-slip outsole.
Groundies have the same size, width, and fit for both women's and men's sizes. When purchasing sizes between 40-43, the box may indicate W (women's) and M (men's), but the shoes are identical.
Fit: Narrow fit, true to size.
Made in EU.
Size chart

The size chart measures the shoe’s inner dimensions. To choose the correct size, measure your own foot from the heel against a wall to the longest toe. This is your foot measurement. Add 0.5-1.4 cm to your foot measurement to choose the correct size.
Size / inner length / width:

36: 23.6 cm / 8.5 cm
37: 24.2 cm / 8.7 cm
38: 24.9 cm / 8.9 cm
39: 25.6 cm / 9.1 cm
40: 26.2 cm / 9.3 cm
41: 26.9 cm / 9.5 cm
42: 27.6 cm / 9.7 cm
43: 28.2 cm / 9.9 cm
44: 28.9 cm / 10.1 cm
45: 29.5 cm / 10.3 cm
46: 30.2 cm / 10.5 cm
47: 30.9 cm / 10.7 cm