Every Arc'teryx chart below is verified against the brand's official sizing. All numbers are body measurements, not garment measurements.
Arc'teryx fit — the short version
True to size for most: Trim fit in the run pieces leaves room for one light layer; Gamma and Beta use a Regular fit. Size up one in Beta LT or SV if you layer heavy.
Men's apparel — tops and jackets
XXS — sleeve 78 cm (30 in), chest 84 cm (33 in), waist 69 cm (27 in), hips 83 cm (32½ in)
XS — sleeve 81 cm (31½ in), chest 89 cm (35 in), waist 74 cm (29 in), hips 88 cm (34½ in)
S — sleeve 83 cm (32½ in), chest 94 cm (37 in), waist 79 cm (31 in), hips 93 cm (36½ in)
M — sleeve 86 cm (34 in), chest 102 cm (40 in), waist 86 cm (34 in), hips 100 cm (39½ in)
L — sleeve 89 cm (35 in), chest 109 cm (43 in), waist 94 cm (37 in), hips 108 cm (42½ in)
XL — sleeve 91 cm (36 in), chest 119 cm (47 in), waist 104 cm (40½ in), hips 118 cm (46½ in)
XXL — sleeve 94 cm (37 in), chest 129 cm (51 in), waist 114 cm (44½ in), hips 128 cm (50 in)
3XL — sleeve 96 cm (38 in), chest 139 cm (54½ in), waist 124 cm (48½ in), hips 138 cm (54 in)
Men's bottoms
XXS — waist 69 cm (27 in), hip 83 cm (32½ in), regular inseam 79 cm (31 in)
XS — waist 74 cm (29 in), hip 88 cm (34½ in), regular inseam 79 cm (31 in), short inseam 74 cm (29 in), tall inseam 87 cm (34 in)
S — waist 79 cm (31 in), hip 93 cm (36½ in), regular inseam 80 cm (31½ in), short inseam 75 cm (29½ in), tall inseam 87 cm (34½ in)
M — waist 86 cm (34 in), hip 100 cm (39½ in), regular inseam 81 cm (32 in), short inseam 76 cm (30 in), tall inseam 89 cm (35 in)
L — waist 94 cm (37 in), hip 108 cm (42½ in), regular inseam 82 cm (32½ in), short inseam 77 cm (30½ in), tall inseam 90 cm (35½ in)
XL — waist 104 cm (40½ in), hip 118 cm (46½ in), regular inseam 83 cm (33 in), short inseam 78 cm (31 in), tall inseam 91 cm (36 in)
XXL — waist 114 cm (44½ in), hip 128 cm (50 in), regular inseam 83 cm (33 in), short inseam 78 cm (31 in), tall inseam 91 cm (36 in)
Women's apparel — tops and jackets
XXS — sleeve 72 cm (28½ in), chest 76 cm (30 in), waist 60 cm (23½ in), hip 84 cm (33 in)
XS — sleeve 75 cm (29½ in), chest 81 cm (32 in), waist 65 cm (25½ in), hip 89 cm (35 in)
S — sleeve 77 cm (30½ in), chest 86 cm (34 in), waist 70 cm (27½ in), hip 94 cm (37 in)
M — sleeve 80 cm (31½ in), chest 91 cm (36 in), waist 75 cm (29½ in), hip 99 cm (39 in)
L — sleeve 81 cm (32 in), chest 99 cm (39 in), waist 83 cm (32½ in), hip 107 cm (42 in)
XL — sleeve 83 cm (32½ in), chest 109 cm (43 in), waist 93 cm (36½ in), hip 117 cm (46 in)
XXL — sleeve 85 cm (33½ in), chest 119 cm (47 in), waist 103 cm (40½ in), hip 127 cm (50 in)
Women's bottoms
2XS — waist 60 cm (23½ in), hip 84 cm (33 in), regular inseam 78 cm (30½ in), short inseam 73 cm (28½ in), tall inseam 85 cm (33½ in)
XS — waist 65 cm (25½ in), hip 89 cm (35 in), regular inseam 78 cm (31 in), short inseam 73 cm (29 in), tall inseam 86 cm (33½ in)
S — waist 70 cm (27½ in), hip 94 cm (37 in), regular inseam 79 cm (31 in), short inseam 74 cm (29 in), tall inseam 86 cm (34 in)
M — waist 75 cm (29½ in), hip 99 cm (39 in), regular inseam 79 cm (31 in), short inseam 74 cm (29½ in), tall inseam 87 cm (34 in)
L — waist 83 cm (32½ in), hip 107 cm (42 in), regular inseam 80 cm (31½ in), short inseam 75 cm (29½ in), tall inseam 88 cm (34½ in)
XL — waist 93 cm (36½ in), hip 117 cm (46 in), regular inseam 81 cm (32 in), short inseam 76 cm (30 in), tall inseam 88 cm (35 in)
XXL — waist 103 cm (40½ in), hip 127 cm (50 in)
Common questions
Does Arc'teryx run true to size? True to size for most. Trim fit in the run pieces leaves room for one light layer, while Gamma and Beta use a Regular fit.
Should I size up in Beta LT or SV? Size up one in Beta LT or SV if you layer heavy. Otherwise stay with the size whose chest, waist and hip numbers match yours.
These charts also live on every Arc'teryx product page on enroute.run — look for the size-guide button.