“Women's-specific, ultra-light, high-launch set for slow swing speeds. A rung-1 set; fit it to the measured swing speed rather than the label.”

Launched in October 2021 as the flagship iron set in Callaway's first from-scratch women's engineering push, led by the company's Women's Task Force under Kim Johnson. The original graphite-shafted set (5-PW, AW, SW) retailed near $999.99. A 2023 Big Bertha REVA refresh added Callaway's AI-designed Flash Face Cup, previously reserved for men's Big Bertha irons, urethane microspheres for feel, and an electric blue and black cosmetic package that broke from soft pastel 'women's club' styling.

No secondary-market scarcity or forum reverence surrounds it, but golf media treated its 2021 launch as genuinely significant because lofts, swingweights, and tungsten placement were built from women's swing data rather than a downsized men's iron, a distinction both Golf Digest and MyGolfSpy highlighted at launch.

Women with slow-to-moderate swing speeds seeking maximum forgiveness and easy height over shot-shaping control; Golf Monthly flagged the wide sole and heavy offset as a turnoff for stronger players.

• The original 2021 launch set (5-PW, AW, SW, graphite) retailed near $999.99; the 2023 Big Bertha REVA refresh listed comparable steel/graphite sets around $999.99 to $1,099.99 depending on shaft, per retailer listings and GolfWRX's 2023 launch coverage - notably above the roughly $900 figure sometimes quoted for the line.
• The 2023 refresh marked the first time Callaway's AI-designed Flash Face Cup, developed for men's Big Bertha/Rogue-era irons, appeared in a women's Big Bertha product, per Golf Monthly's review.
• Urethane microspheres were injected behind the face for sound and feel tuning, with a Lamkin women's ST Soft grip and a lightweight, speed-tuned shaft as stock equipment, per Golf Monthly.
• Cosmetically it broke from traditional pastel 'women's club' styling in favor of an electric blue and black finish, a choice Golf Monthly specifically called out as a departure from category norms.

Part of Callaway's October 2021 Big Bertha REVA rollout, its first line engineered start-to-finish for women, then updated in 2023 with Flash Face Cup technology borrowed from the men's Big Bertha range, per GolfWRX's coverage of the refresh.

Complete used sets remain scarce in the resale channel this soon after release - 2nd Swing's listing for the set has sat out of stock - while singles from the closely related REVA hybrid line trade for $57-$127, suggesting full iron sets will likely settle in the low-to-mid hundreds once broader used inventory appears.