Every Peak Performance chart below is verified against the brand's official sizing. All numbers are body measurements, not garment measurements.
Peak Performance fit — the short version
True to size with a European athletic cut. Between sizes, or if you plan to layer, take the larger.
Men's tops
S — chest 94 cm (37.0 in), waist 81 cm (31.9 in), hips 95 cm (37.4 in), arm length 63.0 cm (24.8 in)
M — chest 100 cm (39.4 in), waist 87 cm (34.3 in), hips 101 cm (39.8 in), arm length 64.5 cm (25.4 in)
L — chest 106 cm (41.7 in), waist 93 cm (36.6 in), hips 107 cm (42.1 in), arm length 66.0 cm (26.0 in)
XL — chest 112 cm (44.1 in), waist 99 cm (39.0 in), hips 113 cm (44.5 in), arm length 67.5 cm (26.6 in)
XXL — chest 118 cm (46.5 in), waist 105 cm (41.3 in), hips 120 cm (47.2 in), arm length 69.0 cm (27.2 in)
Men's bottoms
S — waist 81 cm (31.9 in), hips 95 cm (37.4 in), inseam 80.0 cm (31.5 in)
M — waist 87 cm (34.3 in), hips 101 cm (39.8 in), inseam 81.5 cm (32.1 in)
L — waist 93 cm (36.6 in), hips 107 cm (42.1 in), inseam 83.0 cm (32.7 in)
XL — waist 99 cm (39.0 in), hips 113 cm (44.5 in), inseam 84.5 cm (33.3 in)
XXL — waist 105 cm (41.3 in), hips 120 cm (47.2 in), inseam 86.0 cm (33.9 in)
Women's tops
XS — chest 80 cm (31.5 in), waist 64 cm (25.2 in), hips 89 cm (35.0 in), arm length 58.0 cm (22.8 in)
S — chest 86 cm (33.9 in), waist 69 cm (27.2 in), hips 94 cm (37.0 in), arm length 59.5 cm (23.4 in)
M — chest 92 cm (36.2 in), waist 74 cm (29.1 in), hips 99 cm (39.0 in), arm length 61.0 cm (24.0 in)
L — chest 98 cm (38.6 in), waist 80 cm (31.5 in), hips 105 cm (41.3 in), arm length 62.5 cm (24.6 in)
XL — chest 104 cm (40.9 in), waist 86 cm (33.9 in), hips 111 cm (43.7 in), arm length 64.0 cm (25.2 in)
Women's bottoms
XS — waist 64 cm (25.2 in), hips 89 cm (35.0 in), inseam 76.0 cm (29.9 in)
S — waist 69 cm (27.2 in), hips 94 cm (37.0 in), inseam 77.5 cm (30.5 in)
M — waist 74 cm (29.1 in), hips 99 cm (39.0 in), inseam 79.0 cm (31.1 in)
L — waist 80 cm (31.5 in), hips 105 cm (41.3 in), inseam 80.5 cm (31.7 in)
XL — waist 86 cm (33.9 in), hips 111 cm (43.7 in), inseam 82.0 cm (32.3 in)
Common questions
Does Peak Performance fit true to size? Yes — true to size with a European athletic cut. Pick the size whose chest, waist and hip numbers match your body measurements.
Should I size up for layering? If you are between sizes, or you plan to layer underneath, take the larger size.
These charts also live on every Peak Performance product page on enroute.run — look for the size-guide button.