The Cumulus Blouse is designed to have approx. 10-15 cm [4-6 inches] of positive ease, meaning it is designed to be approx. 10-15 cm [4-6 inches] larger in circumference than your bust measurement. The sizes XS (S) M (L) XL (2XL) 3XL (4XL) 5XL are designed to fit a bust circumference of 80-85 (85-90) 90-95 (95-100) 100-110 (110-120) 120-130 (130-140) 140-150 cm [31-33 (33-35) 35-37 (37-39) 39-43 (43-47) 47-51 (51-55) 55-59 inches]. The measurements for the finished sweater can be found on the front page of the pattern. Measure yourself before beginning your project, to determine which size will fit you the best. For example, if you measure 90 cm [35 inches] around your bust (or around the widest part of your upper body) you should knit a size S. A size S sweater has a bust circumference of 102 cm [40 inches] which in the given example would give you 12 cm [4 inches] of positive ease. Sizes:XS (S) M (L) XL (2XL) 3XL (4XL) 5XL Bust circumference:96 (102) 109 (116) 126 (136) 140 (149) 156 cm [37 (40) 43 (45) 49 (53) 55 (58) 61 inches] Length:52 (54) 57 (59) 60 (62) 64 (66) 68 cm [20 (21) 22 (23) 23 (24) 25 (26) 26 inches] Gauge:18 sts x 26 rows = 10 x 10 cm [4 x 4 inches] in stockinette stitch on 4.5 mm [US7] needles after blocking Needles:Circular needles: 4.5 mm [US7] / 60 and 80 and/or 100 cm [24 and 32 and/or 40 inches]; Double-pointed needles: 4.5 mm [US7] Materials:150 (175) 200 (200) 225 (225) 250 (250) 275 g Silk Mohair by Isager Yarn (25 g = 212 m [232 yds])orTynn Silk Mohair by Sandnes Garn (25 g = 212 m [232 yds])orBrushed Lace by Mohair by Canard (25 g = 210 m [230 yds])orSoft Silk Mohair by Knitting for Olive (25 g = 225 m [246 yds])orTilia by Filcolana (25 g = 210 m [230 yds]). Note: Two strand of yarn are held together throughout. The given yardage amounts are the total yardage needed. Difficulty: (3 out of 5) See the classification of difficultyhere. The beige Cumulus Blouse is knitted in Tynn Silk Mohair by Sandnes Garn in the color Almond [2511]. The dark blue Cumulus Blouse is knitted in Tynn Silk Mohair by Sandnes Garn in the color Dyb marine [5581]. The light blue Cumulus Blouse is knitted in Silk Mohair by Isager in color 41. Yarn Subsititution:Mohair/Silk blends, Sesia Vivienne or Rowan Kid Silk Haze