There’s a photo of the model on the Lana Grossa website (it’s the left one).

Size information:

• S, M
• German sizes: 36/38, 40/42
• Finished bust circumference: 84 cm/33’’, 94 cm/37’’

Original color:
gray beige (col 3)

Additional materials:
6 buttons, diameter 22 mm (Union Knopf, art 49078, col transparent)

Needles/hooks:

• hook 3.0 mm
• circulars 3.0 mm / US 2 1/2, 60 cm/24’’ long

Gauge:

• 22 single (US) / double (UK) crochet = 10 cm (4’’) wide
• 5.5 pattern repetitions and 5 rows = 10 x 4 cm (4’’ x 1.6’’) in lace pattern
• 4 pattern repetitions and 6 rows = 10 x 9 cm (4’’ x 3.5’’) in shell pattern
• 4 pattern repetitions and 6 rows = 10 x 7 cm (4’’ x 2.8’’) in bobble pattern

Description from Filati Handstrick 40:
Sportlich und elegant im effektvollen Häkelmuster-Mix - das Kurzarmjäckchen mit gestricktem Bund wirkt immer superedel!