Katie’s striped tee on Alexa & Katie

Katie’s blue tulle one shoulder dress on Alexa & Katie

One Shoulder Tulle Maxi Dress by ASOS, $103

Lori’s white flutter sleeve tee on Alexa & Katie

Aeowin Flutter-Sleeve Tee by Joie at Bloomingdales, $96.96 (was $138)

Also available at: Saks Fifth Avenue

Lori’s chevron stripe sweater on Alexa & Katie

Vertical Stripe Wide V Neck Sweater by Only at Asos, $48

Katie’s navy chevron stripe sweater on Alexa & Katie

Zig Zag Merino Wool Sweater by & Other Stories at Stories, $69

Cheaper alternatives: x

Alexa’s stripe sweater on Alexa & Katie

Striped Sweater with Metallic Trim by Pam & Gela at Last Call, $119.40 (was $255)